4-Amino-2-chlorobenzoic acid 4-benzoyl-1-methyl-4-piperidinyl ester conjugate monoacid 71266-48-3 BENZOIC ACID, 4-AMINO-2-CHLORO-, 4-BENZOYL-1-METHYL-4-PIPERIDINYL ESTER, conjuga Benzoic acid, 4-amino-2-chloro-, 4-benzoyl-1-methyl-4-piperidinyl ester, conjugate monoacid