发明授权
US4153713A 4-(Polyalkoxyphenyl)-2-pyrrolidones (II) 失效
4-(聚烷氧基苯基)-2-吡咯烷酮(II)

4-(Polyalkoxyphenyl)-2-pyrrolidones (II)
摘要:
4-(Polyalkoxyphenyl)-2-pyrrolidones of the formula ##STR1## wherein R.sub.1 and R.sub.2 are hydrocarbon; R.sub.3 is hydrogen or methoxy;R is O-alkyl, O-aryl, O-aralkyl, NH.sub.2, NH-alkyl, NH-aryl, NH-aralkyl, N(alkyl).sub.2, N(aryl).sub.2 or ##STR2## AND X is O or S, are neuropsychotropic agents.
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