21787-81-5 3-12-00-01914 (Beilstein Handbook Reference) 4'-Chloro-2'-methylformanilide 4'-Chloro-2-formotoluidide 4'-Chloro-o-formotoluidine 4-Chloro-N-formyl-o-toluidine BRN 2639413 FORMAMIDE, N-(4-CHLORO-2-METHYLPHENYL)- N-Formyl-4-chloro-o-toluidine o-Formotoluidide, 4'-chloro-