名称：Verapamil Hydrochloride Imp. J (EP) as Maleate: (2RS)-2-(3,4-Dimethoxyphenyl)-5-[[2-(3,4-dimethoxyphenyl)ethyl]amino]-2-(1-methylethyl)pentanenitrile Maleate(N-Norverapamil Maleate)规格： 100 mg