Tên tương tự: o-Toluidine, 4-chloro- (8CI); 4-Chloro-2-methylbenzenamine; (4-Chloro-2-methylphenyl)amine; 2-Amino-5-chlorotoluene; 2-Methyl-4-chloroaniline; 2-Methyl-4-chlorobenzenamine; 3-Chloro-6-aminotoluene; 4-Chloro-2-methylaniline; 4-Chloro-2-toluidine; 4-Chloro-6-methylaniline; 4-Chloro-o-toluidine; 5-Chloro-2-aminotoluene; Daito Red Base TR; Fast Red 5CT Base; Fast Red Base TR; Fast Red TR Base; Fast Red TR-T Base; Fast Red TRO Base; Kako Red TR Base; Mitsui Red TR Base; NSC 4979; Red Base NTR; Red TR Base; Sanyo Fast Red TR Base; p-Chloro-o-toluidine