22131-65-3 4-ISOTHIAZOLECARBOXYLIC ACID, 5-CHLORO-3-METHYL-, 3-(4-METHYL-1-PIPERAZINYL)PROP 4-Isothiazolecarboxylic acid, 5-chloro-3-methyl-, 3-(4-methyl-1-piperazinyl)propyl ester 5-Chloro-3-methyl-4-isothiazolecarboxylic acid 3-(4-methyl-1-piperazinyl)propyl ester