Compounds of the formula
wherein R, and R2 are hydrogen, alkyl, alkenyl, phenylalkyl, cycloalkyl or cycloalkylalkyl, R is R1, phenyl or dialkylaminoalkyl, and R3 is hydrogen, halogen, alkoxy, trifluoromethylthio, cyano or carboxy, are useful as anti-auxiety agents, as muscle relaxants and in the treatment of extra- . pyramidal disorders such as in Parkinson's disease.
式中的化合物
其中 R 和 R2 是氢、烷基、烯基、苯基烷基、环烷基或环烷基烷基,R 是 R1、苯基或二烷基
氨基烷基,R3 是氢、卤素、烷氧基、三
氟甲
硫基、
氰基或羧基,可用作抗焦虑剂、肌肉松弛剂和治疗锥体外系疾病,如帕
金森病。