(+)-13β-Ethyl-17β-hydroxy-11-methylenegon-4-en-3-one，C20H28O2

分子式：C20H28O2；分子量：300.44；别名：(8S,9S,10R,14S)-13-Ethyl-17-hydroxy-11-methylene-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-3(2H)-one; 18-Methyl-11-methylene-estra-4-ene-3-one-17-ol；应用：(+)-13β-Ethyl-17β-hydroxy-11-methylenegon-4-en-3-one is an intermediate used to prepare Desogestrel (D296875), a progestogen with low androgenic potency.。