3-15-00-00263 (Beilstein Handbook Reference) 36874-67-6 ACETIC ACID, ((3-CHLOROPHENYL)HYDRAZONO)CYANO-, ETHYL ESTER BRN 0664051 Cyanoglyoxylic acid ethyl ester 2-(m-chlorophenyl)hydrazone Glyoxylic acid, cyano-, ethyl ester, 2-(m-chlorophenyl)hydrazone