上游原料
1-(Bromomethyl)benzene; Alpha-bromotolueneacetylene(8S,13S,14S)-13-methyl-7,8,12,13,14,15,16,17-octahydro-6H-cyclopenta[a]phenanthrene-3,17-diol(8S,13S,14S)-3,17-bis(benzyloxy)-13-methyl-7,8,12,13,14,15,16,17-octahydro-6H-cyclopenta[a]phenanthrene; benzyl (8S,13S,14S)-17-(benzyloxy)-13-methyl-7,8,12,13,14,15,16,17-octahydro-6H-cyclopenta[a]phenanthren-3-yl ether(8S,9S,11R,13S,14S)-3,17-bis(benzyloxy)-13-methyl-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthren-11-ol(8S,9S,11R,13S,14S)-3,17-bis(benzyloxy)-11-methoxy-13-methyl-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthrene; benzyl (8S,9S,11R,13S,14S)-17-(benzyloxy)-11-methoxy-13-methyl-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthren-3-yl ether(8S,9S,11R,13S,14S)-11-methoxy-13-methyl-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthrene-3,17-diol(8S,9S,11R,13S,14S)-3-hydroxy-11-methoxy-13-methyl-6,7,8,9,11,12,13,14,15,16-decahydro-17H-cyclopenta[a]phenanthren-17-one
