13-乙基-3-甲氧基雌甾-1,3,5(10),8-四烯-17b-醇

(+)-17β-tert.butoxy- 13β-ethyl-3-methoxygona-1,3,5(10)-triene

碳酸氢钠

D-(+)-13β-ethyl-3-methoxygona-1,3,5(10)-trien-17β-yl trifluoroacetate

2-乙基-1,3-环戊烷二酮