1-Butyl-2',4',6'-trimethyl-2-pyrrolidinecarboxanilide hydrochloride 19089-24-8 2-Pyrrolidinecarboxamide, 1-butyl-N-(2,4,6-trimethylphenyl)-, monohydrochloride 2-Pyrrolidinecarboxanilide, 1-butyl-2',4',6'-trimethyl-, monohydrochloride 30103-44-7 Bumecaine hydrochloride N-Butyl-alpha-pyrrolidine-carboxy-mesidide hydrochloride Pyrromecaine