24-Norchola-5,20(22)-dieno[6,5,4-bc]furan-21,23-dioicacid,3-(acetyloxy)-14,15-epoxy-4,5,5',6-tetrahydro-7,11,12-trihydroxy-4,8-dimethyl-1-[(2-methyl-1-oxo-2-butenyl)oxy]-16-oxo-,cyclic anhydride, [1a(E),3a,4b,5a,6b,7a,11a,12a,13a,14b,15b,17a]-

Order 125211-09-8 norchola,dieno,furan,dioicacid,acetyloxy,epoxy,tetrahydro,trihydroxy,dimethyl,methyl,butenyl,cyclic,anhydride
Furan
158204-50-32-Butenoicacid, 2-methyl-, 4,4a,5,6,7,9-hexahydro-4a,5-dimethyl-9-oxonaphtho[2,3-b]furan-4-ylester, [4R-[4a(Z),4ab,5b]]-