title: Spectrophotometric determination of papaverine in some pharmaceutical preparations containing noramidopyrine methansulfonate sodium.
mesh_terms: D004177:Dipyrone; D008722:Methods; D010208:Papaverine / Q000032:analysis*; D013056:Spectrophotometry, Ultraviolet
chemical_list: D004177:Dipyrone; D010208:Papaverine