11beta-(4-Methylaminophenyl)-17alpha-hydroxy-17beta-(3-hydroxypropyl)-13alpha-methyl-4,9,(10)-gonadien-3-one 120144-15-2 Demethylonapristone Desmethylonapristone Estra-4,9-dien-3-one, 17-hydroxy-17-(3-hydroxypropyl)-11-(4-(methylamino)phenyl)-, (11beta,13alpha,17alpha)- ZK 115716 ZK-115716