上游原料
19-Norandrostendione;(8R,9S,10R,13S,14S)-13-methyl-1,6,7,8,9,10,11,12,13,14,15,16-dodecahydro-3H-cyclopenta[a]phenanthrene-3,17(2H)-dione(8R,9S,10R,13S,14S)-3-ethoxy-13-methyl-16-methylidene-1,2,7,8,9,10,11,12,14,15-decahydrocyclopenta[a]phenanthren-17-one(8R,9S,10R,13S,14S,17R)-3-ethoxy-17-ethynyl-13-methyl-16-methylidene-1,2,7,8,9,10,11,12,14,15-decahydrocyclopenta[a]phenanthren-17-ol(8R,9S,10R,13S,14S,17S)-17-acetyl-17-hydroxy-13-methyl-16-methylidene-2,6,7,8,9,10,11,12,14,15-decahydro-1H-cyclopenta[a]phenanthren-3-one(8R,9S,10R,13S,14S)-17-acetyl-16-(benzenesulfinylmethyl)-13-methyl-2,6,7,8,9,10,11,12,14,15-decahydro-1H-cyclopenta[a]phenanthren-3-one
