59062-06-5 ACETIC ACID, ((3-CHLORO-4-NITROPHENYL)HYDRAZONO)CYANO-, 1-METHYLETHYL ESTER Cyanoglyoxylic acid isopropyl ester 2-(3-chloro-4-nitrophenyl)hydrazone Glyoxylic acid, cyano-, isopropyl ester, 2-(3-chloro-4-nitrophenyl)hydrazone