| Synonyms: | Fukinolide;(-)-Bakkenolide B;(1'R,3R,7'aβ)-1'β-Acetoxy-3'aβ,4'β-dimethyl-4-methylene-7'α-[[(2Z)-2-methyl-2-butenoyl]oxy]spiro[oxolane-3,2'-hydrindane]-2-one;(Z)-2-Methyl-2-butenoic acid [(3R,3'aα)-3'α-acetoxy-4,5,1',3',3'a,4',5',6',7',7'a-decahydro-7'α,7'aα-dimethyl-4-methylene-2-oxospiro[furan-3(2H),2'-[2H]inden]-4'β-yl] ester;Bakkenolide B;Spironolactone EP Impurity 16;2-Butenoic acid, 2-methyl-, (2'R,3'R,3'aR,4'S,7'S,7'aR)-3'-(acetyloxy)decahydro-7',7'a-dimethyl-4-methylene-2-oxospiro[furan-3(2H),2'-[2H]inden]-4'-yl ester, (2Z)- |
