36874-69-8 ACETIC ACID, ((3-CHLOROPHENYL)HYDRAZONO)CYANO-, METHYL ESTER BRN 1842994 Cyanoglyoxylic acid methyl ester 2-(m-chlorophenyl)hydrazone Glyoxylic acid, cyano-, methyl ester, 2-(m-chlorophenyl)hydrazone