NOMENCLATURE Common name chlorfenapyr (BSI, pa ISO, ANSI) IUPAC name 4-bromo-2-(4-chlorophenyl)-1-ethoxymethyl-5-trifluoromethylpyrrole-3-carbonitrile Chemical Abstracts name 4-bromo-2-(4-chlorophenyl)-1-(ethoxymethyl)-5-(trifluoromethyl)-1H-pyrrole-3-carbonitrile CAS RN [122453-73-0] Development codes AC 303,630; CL 303,630 (both Cyanamid); MK-242 (Mitsubishi Chemical)
