(γR)-γ-(4-Chlorophenyl)-N,N-diMethyl-2-pyridinepropanaMine (2Z)-2-Butenedioate (R)-(-)-Chlorpheniramine maleate 2-Pyridinepropanamine, γ-(4-chlorophenyl)-N,N-dimethyl-, (R)-, (2Z)-2-butenedioate (1:1) 2-Pyridinepropanamine, γ-(4-chlorophenyl)-N,N-dimethyl-, (R)-, (Z)-2-butenedioate (1:1) 2-Pyridinepropanamine, γ-(4-chlorophenyl)-N,N-dimethyl-, (γR)-, (2Z)-2-butenedioate (1:1) 2-Pyridinepropanamine, g-(4-chlorophenyl)-N,N-dimethyl-, (R)-, (2Z)-2-butenedioate (1:1) (R)-ChlorpheniraMine Maleate Salt Dexchlorpheniramine EP Impurity B