2-(2,4-Dichloro-alpha-methylbenzylidene)carbazic acid ethyl ester 25445-83-4 BRN 1988528 Carbazic acid, 2-(2,4-dichloro-alpha-methylbenzylidene)-, ethyl ester Hydrazinecarboxylic acid, 2-(1-(2,4-dichlorophenyl)ethylidene)-, ethyl ester