Similar substances to cyclic 3-(1,2-ethanediylacetale)-estra-5(10),9(11)-diene-3,17-dione

CAS Number Name
5571-36-8 cyclic 3-(1,2-ethanediylacetale)-estra-5(10),9(11)-diene-3,17-dione
Reason for inclusion in the SIN list
This substance belongs to one or more of the specific SIN Groups as defined in the SIN List AND it has an overall structural similarity to the substances below which are all found on the SIN List. Hence, this substance is very likely to share the hazardous properties of the SIN substances below. Please note that SINimilarity builds on structural similarity only. To verify potential hazardous properties, further evaluation is needed.

CAS Number Chemical name Matching SIN groups Matching SIN substances
(8R,13S,14S)-13-methylspiro[1,2,4,6,7,8,12,14,15,16-decahydrocyclopenta[a]phenanthrene-3,2'-1,3-dioxolane]-17-one
(8S,13S,14S)-13-methylspiro[1,2,4,6,7,8,12,14,15,16-decahydrocyclopenta[a]phenanthrene-3,2'-1,3-dioxolane]-17-one
(8R,13S,14R)-13-methylspiro[1,2,4,6,7,8,12,14,15,16-decahydrocyclopenta[a]phenanthrene-3,2'-1,3-dioxolane]-17-one
(8S,13S,14R)-13-methylspiro[1,2,4,6,7,8,12,14,15,16-decahydrocyclopenta[a]phenanthrene-3,2'-1,3-dioxolane]-17-one
(8S,13S,14S,17R)-13-methyl-17-(2-methyl-1,3-dioxolan-2-yl)spiro[1,2,4,6,7,8,12,14,15,16-decahydrocyclopenta[a]phenanthrene-3,2'-1,3-dioxolane]-17-ol
(8R,13R,14R,17S)-13-methyl-17-(2-methyl-1,3-dioxolan-2-yl)-1,2,4,6,7,8,12,13,14,15,16,17-dodecahydrospiro[cyclopenta[a]phenanthrene-3,2'-[1,3]dioxolan]-17-ol
(8S,13R,14R,17S)-13-methyl-17-(2-methyl-1,3-dioxolan-2-yl)-1,2,4,6,7,8,12,13,14,15,16,17-dodecahydrospiro[cyclopenta[a]phenanthrene-3,2'-[1,3]dioxolan]-17-ol
(8R,13S,14R,17S)-13-methyl-17-(2-methyl-1,3-dioxolan-2-yl)-1,2,4,6,7,8,12,13,14,15,16,17-dodecahydrospiro[cyclopenta[a]phenanthrene-3,2'-[1,3]dioxolan]-17-ol
(8S,13S,14R,17S)-13-methyl-17-(2-methyl-1,3-dioxolan-2-yl)-1,2,4,6,7,8,12,13,14,15,16,17-dodecahydrospiro[cyclopenta[a]phenanthrene-3,2'-[1,3]dioxolan]-17-ol
(8R,13S,14S,17R)-13-methyl-17-(2-methyl-1,3-dioxolan-2-yl)-1,2,4,6,7,8,12,13,14,15,16,17-dodecahydrospiro[cyclopenta[a]phenanthrene-3,2'-[1,3]dioxolan]-17-ol
(8S,13S,14R,17R)-13-methyl-17-(2-methyl-1,3-dioxolan-2-yl)-1,2,4,6,7,8,12,13,14,15,16,17-dodecahydrospiro[cyclopenta[a]phenanthrene-3,2'-[1,3]dioxolan]-17-ol
(8R,13S,14R,17R)-13-methyl-17-(2-methyl-1,3-dioxolan-2-yl)-1,2,4,6,7,8,12,13,14,15,16,17-dodecahydrospiro[cyclopenta[a]phenanthrene-3,2'-[1,3]dioxolan]-17-ol
(8S,13S,14S)-3,3-dimethoxy-13-methyl-1,2,4,6,7,8,12,14,15,16-decahydrocyclopenta[a]phenanthren-17-one
(4aS,4bS,5R,8aS)-5-hydroxy-4a-methyl-4,4a,4b,5,6,7,8a,9-octahydro-1H-spiro[phenanthrene-2,2'-[1,3]dioxolan]-8(3H)-one
(4aS,4bS,5R,8aR)-5-hydroxy-4a-methyl-4,4a,4b,5,6,7,8a,9-octahydro-1H-spiro[phenanthrene-2,2'-[1,3]dioxolan]-8(3H)-one
(4aR,4bS,5R,8aR)-5-hydroxy-4a-methyl-4,4a,4b,5,6,7,8a,9-octahydro-1H-spiro[phenanthrene-2,2'-[1,3]dioxolan]-8(3H)-one
(4aR,4bS,5R,8aS)-5-hydroxy-4a-methyl-4,4a,4b,5,6,7,8a,9-octahydro-1H-spiro[phenanthrene-2,2'-[1,3]dioxolan]-8(3H)-one
(4aR,4bS,5S,8aS)-5-hydroxy-4a-methyl-4,4a,4b,5,6,7,8a,9-octahydro-1H-spiro[phenanthrene-2,2'-[1,3]dioxolan]-8(3H)-one
(4aR,4bR,5R,8aS)-5-hydroxy-4a-methyl-4,4a,4b,5,6,7,8a,9-octahydro-1H-spiro[phenanthrene-2,2'-[1,3]dioxolan]-8(3H)-one
(4aR,4bR,5S,8aS)-5-hydroxy-4a-methyl-4,4a,4b,5,6,7,8a,9-octahydro-1H-spiro[phenanthrene-2,2'-[1,3]dioxolan]-8(3H)-one
(8S,9S,10R,13S,14S,17S)-10,13-dimethyl-17-(2-methyl-1,3-dioxolan-2-yl)-1,4,7,8,9,10,12,13,14,15,16,17-dodecahydrospiro[cyclopenta[a]phenanthrene-3,2'-[1,3]dioxolan]-11(2H)-one
(8R,9R,10S,13R,14R,17R)-10,13-dimethyl-17-(2-methyl-1,3-dioxolan-2-yl)-1,4,7,8,9,10,12,13,14,15,16,17-dodecahydrospiro[cyclopenta[a]phenanthrene-3,2'-[1,3]dioxolan]-11(2H)-one
(8R,9R,10S,13S,14R,17R)-10,13-dimethyl-17-(2-methyl-1,3-dioxolan-2-yl)-1,4,7,8,9,10,12,13,14,15,16,17-dodecahydrospiro[cyclopenta[a]phenanthrene-3,2'-[1,3]dioxolan]-11(2H)-one
(8R,9R,10R,13S,14R,17R)-10,13-dimethyl-17-(2-methyl-1,3-dioxolan-2-yl)-1,4,7,8,9,10,12,13,14,15,16,17-dodecahydrospiro[cyclopenta[a]phenanthrene-3,2'-[1,3]dioxolan]-11(2H)-one
(8R,9R,10R,13R,14R,17R)-10,13-dimethyl-17-(2-methyl-1,3-dioxolan-2-yl)-1,4,7,8,9,10,12,13,14,15,16,17-dodecahydrospiro[cyclopenta[a]phenanthrene-3,2'-[1,3]dioxolan]-11(2H)-one
141664-12-2 (7R,8R,9S,13S,14S)-7,13-dimethyl-1,4,6,7,8,9,11,12,13,14,15,16-dodecahydrospiro[cyclopenta[a]phenanthrene-3,2'-[1,3]dioxolan]-17(2H)-one
(4aS,4bR,5S,7R,8aR)-7-allyl-5-hydroxy-7-(hydroxymethyl)-4a-methyl-4,4a,4b,5,6,7,8a,9-octahydro-1H-spiro[phenanthrene-2,2'-[1,3]dioxolan]-8(3H)-one
(4aS,4bR,5S,7R,8aS)-7-allyl-5-hydroxy-7-(hydroxymethyl)-4a-methyl-4,4a,4b,5,6,7,8a,9-octahydro-1H-spiro[phenanthrene-2,2'-[1,3]dioxolan]-8(3H)-one
(4aR,4bR,5S,7R,8aR)-7-allyl-5-hydroxy-7-(hydroxymethyl)-4a-methyl-4,4a,4b,5,6,7,8a,9-octahydro-1H-spiro[phenanthrene-2,2'-[1,3]dioxolan]-8(3H)-one
(4aR,4bR,5S,7R,8aS)-7-allyl-5-hydroxy-7-(hydroxymethyl)-4a-methyl-4,4a,4b,5,6,7,8a,9-octahydro-1H-spiro[phenanthrene-2,2'-[1,3]dioxolan]-8(3H)-one
(8'R,9'R,10'R,13'R,14'R)-10',13'-dimethyl-1',2',4',7',8',9',10',12',13',14',15',16'-dodecahydro-11'H-dispiro[[1,3]dioxolane-2,3'-cyclopenta[a]phenanthrene-17',2''-[1,3]dioxolan]-11'-one
(8'R,9'R,10'S,13'R,14'R)-10',13'-dimethyl-1',2',4',7',8',9',10',12',13',14',15',16'-dodecahydro-11'H-dispiro[[1,3]dioxolane-2,3'-cyclopenta[a]phenanthrene-17',2''-[1,3]dioxolan]-11'-one
(8'R,9'R,10'S,13'S,14'R)-10',13'-dimethyl-1',2',4',7',8',9',10',12',13',14',15',16'-dodecahydro-11'H-dispiro[[1,3]dioxolane-2,3'-cyclopenta[a]phenanthrene-17',2''-[1,3]dioxolan]-11'-one
(8'R,9'R,10'R,13'S,14'R)-10',13'-dimethyl-1',2',4',7',8',9',10',12',13',14',15',16'-dodecahydro-11'H-dispiro[[1,3]dioxolane-2,3'-cyclopenta[a]phenanthrene-17',2''-[1,3]dioxolan]-11'-one
2-((8S,13S,14S,17R)-17-hydroxy-13-methyl-1,2,4,6,7,8,12,13,14,15,16,17-dodecahydrospiro[cyclopenta[a]phenanthrene-3,2'-[1,3]dioxolan]-17-yl)acetonitrile
(4aR,4bR,5R,6S,7R,8aS)-5-hydroxy-4a-methyl-8-oxo-7-(3-oxobutyl)-3,4,4a,4b,5,6,7,8,8a,9-decahydro-1H-spiro[phenanthrene-2,2'-[1,3]dioxolane]-6-carbaldehyde
(4aR,4bR,5R,6S,7S,8aS)-5-hydroxy-4a-methyl-8-oxo-7-(3-oxobutyl)-3,4,4a,4b,5,6,7,8,8a,9-decahydro-1H-spiro[phenanthrene-2,2'-[1,3]dioxolane]-6-carbaldehyde
(4aR,4bR,5R,6R,7R,8aS)-5-hydroxy-4a-methyl-8-oxo-7-(3-oxobutyl)-3,4,4a,4b,5,6,7,8,8a,9-decahydro-1H-spiro[phenanthrene-2,2'-[1,3]dioxolane]-6-carbaldehyde
(4aR,4bR,5R,6R,7S,8aS)-5-hydroxy-4a-methyl-8-oxo-7-(3-oxobutyl)-3,4,4a,4b,5,6,7,8,8a,9-decahydro-1H-spiro[phenanthrene-2,2'-[1,3]dioxolane]-6-carbaldehyde
(4aR,4bS,5S,6S,7S,8aR)-5-hydroxy-4a-methyl-8-oxo-7-(3-oxobutyl)-3,4,4a,4b,5,6,7,8,8a,9-decahydro-1H-spiro[phenanthrene-2,2'-[1,3]dioxolane]-6-carbaldehyde
(4aR,4bR,5R,6R,7S,8aR)-5-hydroxy-4a-methyl-8-oxo-7-(3-oxobutyl)-3,4,4a,4b,5,6,7,8,8a,9-decahydro-1H-spiro[phenanthrene-2,2'-[1,3]dioxolane]-6-carbaldehyde
(4aR,4bS,5S,6R,7S,8aR)-5-hydroxy-4a-methyl-8-oxo-7-(3-oxobutyl)-3,4,4a,4b,5,6,7,8,8a,9-decahydro-1H-spiro[phenanthrene-2,2'-[1,3]dioxolane]-6-carbaldehyde
(4aR,4bR,5R,6S,7S,8aR)-5-hydroxy-4a-methyl-8-oxo-7-(3-oxobutyl)-3,4,4a,4b,5,6,7,8,8a,9-decahydro-1H-spiro[phenanthrene-2,2'-[1,3]dioxolane]-6-carbaldehyde
(8'R,9'S,10'R,13'S,14'S)-10',13'-dimethylspiro[1,3-dioxolane-2,3'-2,4,7,8,9,11,12,14,15,16-decahydro-1H-cyclopenta[a]phenanthrene]-17'-one
(8'S,9'R,10'R,13'S,14'S)-10',13'-dimethylspiro[1,3-dioxolane-2,3'-2,4,7,8,9,11,12,14,15,16-decahydro-1H-cyclopenta[a]phenanthrene]-17'-one
(8R,9R,10R,13S,14S)-10,13-dimethyl-1,4,7,8,9,10,11,12,13,14,15,16-dodecahydrospiro[cyclopenta[a]phenanthrene-3,2'-[1,3]dioxolan]-17(2H)-one
(8S,9R,10S,13R,14R)-10,13-dimethyl-1,4,7,8,9,10,11,12,13,14,15,16-dodecahydrospiro[cyclopenta[a]phenanthrene-3,2'-[1,3]dioxolan]-17(2H)-one
(8S,9S,10R,13S,14S,17S)-10,13-dimethyl-1,2,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydrospiro[cyclopenta[a]phenanthrene-3,2'-[1,3]dioxolane]-17-carbaldehyde
(8S,9R,10R,13S,14R)-10,13-dimethyl-1,4,7,8,9,10,11,12,13,14,15,16-dodecahydrospiro[cyclopenta[a]phenanthrene-3,2'-[1,3]dioxolan]-17(2H)-one
(8S,9R,10S,13S,14R)-10,13-dimethyl-1,4,7,8,9,10,11,12,13,14,15,16-dodecahydrospiro[cyclopenta[a]phenanthrene-3,2'-[1,3]dioxolan]-17(2H)-one
(8S,9R,10R,13R,14R)-10,13-dimethyl-1,4,7,8,9,10,11,12,13,14,15,16-dodecahydrospiro[cyclopenta[a]phenanthrene-3,2'-[1,3]dioxolan]-17(2H)-one
(8R,9R,10R,13S,14R)-10,13-dimethyl-1,4,7,8,9,10,11,12,13,14,15,16-dodecahydrospiro[cyclopenta[a]phenanthrene-3,2'-[1,3]dioxolan]-17(2H)-one
(8R,9R,10S,13R,14R,17R)-10,13-dimethyl-1,2,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydrospiro[cyclopenta[a]phenanthrene-3,2'-[1,3]dioxolane]-17-carbaldehyde
(8R,9R,10R,13R,14R,17R)-10,13-dimethyl-1,2,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydrospiro[cyclopenta[a]phenanthrene-3,2'-[1,3]dioxolane]-17-carbaldehyde
(8R,9R,10R,13S,14R,17R)-10,13-dimethyl-1,2,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydrospiro[cyclopenta[a]phenanthrene-3,2'-[1,3]dioxolane]-17-carbaldehyde
(8R,9R,10S,13S,14R,17R)-10,13-dimethyl-1,2,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydrospiro[cyclopenta[a]phenanthrene-3,2'-[1,3]dioxolane]-17-carbaldehyde
(3a'S,4'S,7'R,7a'S)-3a',4',7',7a'-tetrahydro-1'H-spiro[[1,3]dioxolane-2,8'-[4,7]methanoinden]-1'-one
(3a'S,4'R,7'S,7a'S)-3a',4',7',7a'-tetrahydro-1'H-spiro[[1,3]dioxolane-2,8'-[4,7]methanoinden]-1'-one
(3a'S,4'S,7'S,7a'S)-3a',4',7',7a'-tetrahydro-1'H-spiro[[1,3]dioxolane-2,8'-[4,7]methanoinden]-1'-one
(3a'S,4'R,7'R,7a'S)-3a',4',7',7a'-tetrahydro-1'H-spiro[[1,3]dioxolane-2,8'-[4,7]methanoinden]-1'-one
(3a'R,4'R,7'R,7a'S)-3a',4',7',7a'-tetrahydro-1'H-spiro[[1,3]dioxolane-2,8'-[4,7]methanoinden]-1'-one
(3a'S,4'R,7'R,7a'R)-3a',4',7',7a'-tetrahydro-1'H-spiro[[1,3]dioxolane-2,8'-[4,7]methanoinden]-1'-one
(3a'R,4'R,7'R,7a'R)-3a',4',7',7a'-tetrahydro-1'H-spiro[[1,3]dioxolane-2,8'-[4,7]methanoinden]-1'-one
(8S,9S,10R,13S,14S,17R)-17-hydroxy-17-[2-(hydroxymethyl)-1,3-dioxolan-2-yl]-10,13-dimethylspiro[1,2,4,7,8,9,12,14,15,16-decahydrocyclopenta[a]phenanthrene-3,2'-1,3-dioxolane]-11-one
(8S,9S,10R,13R,14R,17R)-17-hydroxy-17-(2-(hydroxymethyl)-1,3-dioxolan-2-yl)-10,13-dimethyl-1,4,7,8,9,10,12,13,14,15,16,17-dodecahydrospiro[cyclopenta[a]phenanthrene-3,2'-[1,3]dioxolan]-11(2H)-one
(8S,9S,10R,13S,14R,17R)-17-hydroxy-17-(2-(hydroxymethyl)-1,3-dioxolan-2-yl)-10,13-dimethyl-1,4,7,8,9,10,12,13,14,15,16,17-dodecahydrospiro[cyclopenta[a]phenanthrene-3,2'-[1,3]dioxolan]-11(2H)-one
(8S,9S,10R,13R,14S,17R)-17-hydroxy-17-(2-(hydroxymethyl)-1,3-dioxolan-2-yl)-10,13-dimethyl-1,4,7,8,9,10,12,13,14,15,16,17-dodecahydrospiro[cyclopenta[a]phenanthrene-3,2'-[1,3]dioxolan]-11(2H)-one
(8R,9R,10R,13S,14R,17S)-17-hydroxy-17-(2-(hydroxymethyl)-1,3-dioxolan-2-yl)-10,13-dimethyl-1,4,7,8,9,10,12,13,14,15,16,17-dodecahydrospiro[cyclopenta[a]phenanthrene-3,2'-[1,3]dioxolan]-11(2H)-one
(8R,9R,10R,13R,14R,17S)-17-hydroxy-17-(2-(hydroxymethyl)-1,3-dioxolan-2-yl)-10,13-dimethyl-1,4,7,8,9,10,12,13,14,15,16,17-dodecahydrospiro[cyclopenta[a]phenanthrene-3,2'-[1,3]dioxolan]-11(2H)-one
(8R,9R,10S,13S,14R,17S)-17-hydroxy-17-(2-(hydroxymethyl)-1,3-dioxolan-2-yl)-10,13-dimethyl-1,4,7,8,9,10,12,13,14,15,16,17-dodecahydrospiro[cyclopenta[a]phenanthrene-3,2'-[1,3]dioxolan]-11(2H)-one
(8R,9R,10S,13R,14R,17S)-17-hydroxy-17-(2-(hydroxymethyl)-1,3-dioxolan-2-yl)-10,13-dimethyl-1,4,7,8,9,10,12,13,14,15,16,17-dodecahydrospiro[cyclopenta[a]phenanthrene-3,2'-[1,3]dioxolan]-11(2H)-one
(1'S,3a'R,4'S,7'S,7a'R)-1'-methyl-1',2',3a',4',7',7a'-hexahydro-3'H-spiro[[1,3]dioxolane-2,8'-[4,7]methanoinden]-3'-one
(1'R,3a'R,4'S,7'S,7a'R)-1'-methyl-1',2',3a',4',7',7a'-hexahydro-3'H-spiro[[1,3]dioxolane-2,8'-[4,7]methanoinden]-3'-one
(1'R,3a'S,4'S,7'S,7a'R)-1'-methyl-1',2',3a',4',7',7a'-hexahydro-3'H-spiro[[1,3]dioxolane-2,8'-[4,7]methanoinden]-3'-one
(1'S,3a'S,4'S,7'S,7a'R)-1'-methyl-1',2',3a',4',7',7a'-hexahydro-3'H-spiro[[1,3]dioxolane-2,8'-[4,7]methanoinden]-3'-one
(1'R,3a'R,4'R,7'R,7a'R)-1'-methyl-1',2',3a',4',7',7a'-hexahydro-3'H-spiro[[1,3]dioxolane-2,8'-[4,7]methanoinden]-3'-one
(1'R,3a'R,4'R,7'R,7a'S)-1'-methyl-1',2',3a',4',7',7a'-hexahydro-3'H-spiro[[1,3]dioxolane-2,8'-[4,7]methanoinden]-3'-one
(1'R,3a'S,4'R,7'R,7a'S)-1'-methyl-1',2',3a',4',7',7a'-hexahydro-3'H-spiro[[1,3]dioxolane-2,8'-[4,7]methanoinden]-3'-one
(1'R,3a'S,4'R,7'R,7a'S)-1'-methyl-1',2',3a',4',7',7a'-hexahydro-3'H-spiro[[1,3]dioxolane-2,8'-[4,7]methanoinden]-3'-one
1-[(8'R,9'S,10'R,13'S,14'S,17'R)-17'-hydroxy-10',13'-dimethylspiro[1,3-dioxolane-2,3'-2,4,7,8,9,11,12,14,15,16-decahydro-1H-cyclopenta[a]phenanthrene]-17'-yl]ethanone
1-[(8'S,9'R,10'R,13'S,14'R,17'R)-17'-hydroxy-10',13'-dimethylspiro[1,3-dioxolane-2,3'-2,4,7,8,9,11,12,14,15,16-decahydro-1H-cyclopenta[a]phenanthrene]-17'-yl]ethanone
1-[(8'S,9'S,10'R,13'S,14'R,17'R)-17'-hydroxy-10',13'-dimethylspiro[1,3-dioxolane-2,3'-2,4,7,8,9,11,12,14,15,16-decahydro-1H-cyclopenta[a]phenanthrene]-17'-yl]ethanone
1-((8R,9R,10R,13S,14R,17R)-17-hydroxy-10,13-dimethyl-1,2,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydrospiro[cyclopenta[a]phenanthrene-3,2'-[1,3]dioxolan]-17-yl)ethan-1-one
1-((8R,9S,10R,13S,14R,17R)-17-hydroxy-10,13-dimethyl-1,2,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydrospiro[cyclopenta[a]phenanthrene-3,2'-[1,3]dioxolan]-17-yl)ethan-1-one
(1S,4R)-spiro[bicyclo[2.2.2]octane-2,2'-[1,3]dioxolan]-5-en-8-one
methyl 8a-((2-methyl-1,3-dioxolan-2-yl)methyl)-1,5,8,8a-tetrahydronaphthalene-4a(4H)-carboxylate
tert-butyl (1R,4R,7S)-spiro[bicyclo[2.2.1]heptane-2,2'-[1,3]dioxolan]-5-ene-7-carboxylate
(4a'R,9'S)-3',4',5',8',9',10'-hexahydro-1'H-spiro[[1,3]dioxolane-2,2'-[4a,9]methanobenzo[9]annulen]-12'-one
(6S,8aR)-6-hydroxy-5,5,8a-trimethyl-6,7,8,8a-tetrahydro-2H-spiro[naphthalene-1,2'-[1,3]dioxolan]-3(5H)-one
(8S,13S,14S,17S)-13-methyl-17-prop-1-ynylspiro[1,2,4,6,7,8,12,14,15,16-decahydrocyclopenta[a]phenanthrene-3,2'-1,3-dioxolane]-17-ol
(8S,13S,14R,17S)-13-methyl-17-prop-1-ynylspiro[1,2,4,6,7,8,12,14,15,16-decahydrocyclopenta[a]phenanthrene-3,2'-1,3-dioxolane]-17-ol
methyl (4aS,8aS)-8a-((2-methyl-1,3-dioxolan-2-yl)methyl)-1,3,4,5,8,8a-hexahydronaphthalene-4a(2H)-carboxylate
(1R,5S)-spiro[bicyclo[3.2.1]octane-8,2'-[1,3]dioxolan]-2-ene
(1S,5R)-spiro[bicyclo[3.2.1]octane-8,2'-[1,3]dioxolan]-2-ene
(1R,5R)-spiro[bicyclo[3.2.1]octane-8,2'-[1,3]dioxolan]-2-ene
(1S,5S)-spiro[bicyclo[3.2.1]octane-8,2'-[1,3]dioxolan]-2-ene
(4S,7R,8aR)-7-hydroxy-4,8a-dimethyl-3,4,8,8a-tetrahydro-2H-spiro[naphthalene-1,2'-[1,3]dioxolan]-6(7H)-one
(4R,7R,8aS)-7-hydroxy-4,8a-dimethyl-3,4,8,8a-tetrahydro-2H-spiro[naphthalene-1,2'-[1,3]dioxolan]-6(7H)-one
(4S,7R,8aS)-7-hydroxy-4,8a-dimethyl-3,4,8,8a-tetrahydro-2H-spiro[naphthalene-1,2'-[1,3]dioxolan]-6(7H)-one
(4R,7R,8aR)-7-hydroxy-4,8a-dimethyl-3,4,8,8a-tetrahydro-2H-spiro[naphthalene-1,2'-[1,3]dioxolan]-6(7H)-one