(S)-5-((3,4-dimethoxy-d6-phenethyl)amino)-2-(3,4-dimethoxyphenyl)-2-isopropylpentanenitrile,(S)-5-((3,4-dimethoxy-d6-phenethyl)amino)-2-(3,4-dimethoxyphenyl)-2-isopropylpentanenitrile,"S-Nor-Verapamil-D6 is a derivative of S-(s)-Verapamil-D6 (V124993), which is the labeled version o fS-Verapamil (V124991). Both isomers inhibit the p-glycoprotein efflux pump in multidrug resistant tumor cells.",Verapamil Stable Isotopes
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