英文别名Levonorgestrel Impurity 8; Levonorgestrel EP Impurity H; (6R,8R,9S,10R,13R,14S,17R)-13-ethyl-17-ethynyl-6,17-dihydroxy-1,2,6,7,8,9,10,11,12,14,15,16-dodecahydrocyclopenta[a]phenanthren-3-one; Levonorgestrel EP Impurity H (6-beta-Hydroxy Levonorgestrel); Levonorgestrel EP IMP H; H6β-Hydroxylevonorgestrel 
