4-Butylamino-2-chlorobenzoic acid N-methyl-4-piperidyl ester methanesulfonate 5066-49-9 BENZOIC ACID, 4-BUTYLAMINO-2-CHLORO-, N-METHYL-4-PIPERIDYL ESTER, METHANESULFONA Benzoic acid, 4-butylamino-2-chloro-, N-methyl-4-piperidyl ester, methanesulfonate Chloroparidocaine methanesulfonate N-Methyl-4-piperidyl 4-butylamino-2-chlorobenzoate methanesulfonate