(E)-1,5-Dimethyl-1H-pyrrole-2-carboxylic acid (1-(2-chlorophenyl)ethylidene)hydrazide 133662-14-3 1H-Pyrrole-2-carboxylic acid, 1,5-dimethyl-, (1-(2-chlorophenyl)ethylidene)hydrazide, (E)- BRN 4261651