116298-21-6

UNII-Q37FDQ515T 17-Keto Drospirenone Drospirenone EP Impurity C 6,7,15,16-Dimethylene-4-ene-3,17-androstenedione 6β,7β,15β,16β-DiMethylene-androst-4-ene-3,17-dione Drospirenone Impurity 3（Drospirenone EP Impurity C） 1H-Dicyclopropa[6,7:15,16]cyclopenta[a]phenanthrene-3,17(2H,10H)-dione (6R,7R,8R,9S,10R,13S,14S,15S,16S)-6,7,8,9,11,12,13,14,15,16,20,21-Dodecahydro -10,13-diMethyl-1H-dicyclopropa[6,7:15,16]cyclopenta[a]phenanthrene-3,17(2H,10H)-dione 1H-Dicyclopropa[6,7:15,16]cyclopenta[a]phenanthrene-3,17(2H,10H)-dione, 6,7,8,9,11,12,13,14,15,16,20,21-dodecahydro-10,13-dimethyl-, (6R,7R,8R,9S,10R,13S,14S,15S,16S)-