上游原料
(5'R,8'S,10'R,13'S,14'S)-5,5,13'-trimethyl-1',2',6',7',8',12',13',14',15',16'-decahydro-4'H,17'H-spiro[[1,3]dioxane-2,3'-[5,10]epoxycyclopenta[a]phenanthren]-17'-one1,1,1,2,2-pentafluoro-2-iodoethane(5'R,8'S,10'R,13'S,14'S,17'S)-5,5,13'-trimethyl-17'-(perfluoroethyl)-1',2',7',8',12',13',14',15',16',17'-decahydro-4'H,6'H-spiro[[1,3]dioxane-2,3'-[5,10]epoxycyclopenta[a]phenanthren]-17'-olbromo[4-(methylsulfanyl)phenyl]magnesium4-bromophenyl methyl sulfide; 1-bromo-4-(methylsulfanyl)benzene(5R,8S,11R,13S,14S,17S)-5',5',13-trimethyl-11-(4-(methylthio)phenyl)-17-(perfluoroethyl)-1,2,6,7,8,11,12,13,14,15,16,17-dodecahydrospiro[cyclopenta[a]phenanthrene-3,2'-[1,3]dioxane]-5,17(4H)-diol
