59062-04-3 ACETIC ACID, ((4-CHLOROPHENYL)HYDRAZONO)CYANO-, 1-METHYLETHYL ESTER BRN 1823229 Cyanoglyoxylic acid isopropyl ester 2-(p-chlorophenyl)hydrazone Glyoxylic acid, cyano-, isopropyl ester, 2-(p-chlorophenyl)hydrazone