6β-Hydroxy Norgestrel;Levonorgestrel EP impurity H;Levonorgestrel Impurity 8(Levonorgestrel EP Impurity H);Reaxys ID: 2224213;Reaxys ID: 4708032;Levonorgestrel EP Impurity H (6-beta-Hydroxy Levonorgestrel);Levonorgestrel EP IMP H;H6β-Hydroxylevonorgestrel