17-oxoestra-1,3,5(10),15-tetraen-3-yl acetate

3,17β-bis(tert-butyldimethylsilyloxy)-estra-1,3,5(10)-trien-15α-ol

雌酚酮

Oestratetraen-(1,3,5(10),15)-diol-(3,17β)

estra-1,3,5(10),14,16-pentaen-3,17-diyl diacetate