The present invention are two crystalline salts, 17α-acetoxy-21-methoxy-11β-(4-,N,N-dimethylaminophenyl)-19 norpregna-4,9-diene-3,20-dione hydrochloride and 17α-acetoxy-21-methoxy-11β-(4-,N,N-dimethylaminophenyl)-19 norpregna-4,9-diene-3,20-dione hydrobromide, of the corresponding free base which is an amorphous solid.
本发明是相应游离碱的两种结晶盐,即 17α-乙酰氧基-21-甲氧基-11β-(4-,N,N-
二甲氨基苯基)-19-去甲孕甾-4,9-二烯-3,20-二酮盐酸盐和 17α-乙酰氧基-21-甲氧基-11β-(4-,N,N-
二甲氨基苯基)-19-去甲孕甾-4,9-二烯-3,20-二酮
氢溴酸盐,后者为无定形固体。