The present invention relates to novel crystal forms of 4-(6-ethoxy-1-methoxy-thioxanthene-9-ylidcne)-1-methyl piperidine salts and 4-(6-ethoxy-1-hydroxy-thioxanthene-9-ylidene)-1-methyl piperidine salts; especially to novel crystal forms of 4-(6-ethoxy-1-methoxy-thioxanthene-9-ylidene)-1-methyl piperidine hydrochloride and 4-(6-ethoxy-1-hydroxy-thioxanthene-9-ylidene)-1-methyl piperidine hydrochloride as well as to the use of these salts for preventing or treating migraine or pulmonary hypertension.
本发明涉及4-(6-乙氧基-1-甲氧基-
噻吩并[9]芳-1-亚甲基)-
1-甲基哌啶盐和4-(6-乙氧基-1-羟基-
噻吩并[9]芳-1-亚甲基)-
1-甲基哌啶盐的新晶型;特别是4-(6-乙氧基-1-甲氧基-
噻吩并[9]芳-1-亚甲基)-
1-甲基哌啶盐酸盐和4-(6-乙氧基-1-羟基-
噻吩并[9]芳-1-亚甲基)-
1-甲基哌啶盐酸盐的新晶型,以及利用这些盐预防或治疗偏头痛或肺动脉高压。