63434-11-7

Verapamil EP Impurity A verapamil impurities874 Verapamil Impurity A DiHCl Verapamil EP Impurity A DiHCl N,N'-Bis[2-(3,4-dimethoxyphenyl)eth Verapamil EP Impurity A Dihydrochloride Verapamil Impurity 1（Verapamil EP Impurity A） Verapamil Hydrochloride Impurity A as Dihydrochloride Verapamil Hydrochloride EP Impurity A as Dihydrochloride N1,N3-bis(3,4-dimethoxyphenethyl)-N1,N3-dimethylpropane-1,3-diamine N,N'-Vis[2-(3,4-dimethoxyphenyl)ethyl]-N,N'-dimethyl-1,3-propanediamine dihydrochloride N,N'-Bis[2-(3,4-dimethoxyphenyl)ethyl]-N,N'-dimethyl-1,3-propanediamine dihydrochloride N1,?N3-?Bis[2-?(3,?4-?dimethoxyphenyl)?ethyl]?-?N1,?N3-?dimethyl-1,3-propanediamineDihydrochloride