Etonogestrel Impurity 13

Chemical Name: (8S,9S,10R,13S,14S,17R)-13-ethyl-17-ethynyl-17-hydroxy-11-methylene-1,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthrene-3,6(2H)-dione

Synonym: 4-Quinazolinamine, N-(3,4-difluorophenyl)-7-methoxy-6-[3-(4-morpholinyl)propoxy]-