Nom du produit:(8S,10R,13S,14S,17R)-10,13-dimethyl-1,3',4',8,10,12,13,14,15,16-decahydro-5'H-spiro[cyclopenta[a]phenanthrene-17,2'-furan]-3,5'(2H)-dione
IUPAC Name:(1R,3aS,3bS,9aR,11aS)-9a,11a-dimethyl-2,3,3a,3b,7,8,9,9a,11,11a-decahydrospiro[cyclopenta[a]phenanthrene-1,2'-oxolane]-5',7-dione