Tên tương tự: o-Toluidine, 4-nitro- (8CI); 2-Methyl-4-nitrobenzenamine; 1-Amino-2-methyl-4-nitrobenzene; 2-Amino-1-methyl-5-nitrobenzene; 2-Amino-5-nitrotoluene; 2-Methyl-4-nitrophenylamine; 2-Methyl-p-nitroaniline; 3-Methyl-4-aminonitrobenzene; 4-Nitro-2-methylaniline; 4-Nitro-2-toluidine; 4-Nitro-6-methylaniline; 4-Nitro-o-toluidine; 5-Nitro-2-aminotoluene; Ansibases Red RL; Azoene Fast Red GL Base; Azogene Fast Red NRL Salt; Azogene Fast Red RL; Daito Red Base RL; Devol Red RL; Devol Red Salt E; Diabase Red RL; Fast Red 5NT; Fast Red 5NT Salt; Fast Red Base RL; Fast Red RL Base; Fast Red Salt RL; Hiltonil Fast Red RL Base; Hiltosal Fast Red RL Salt; Kako Red RL Base; Kayaku Red RL Base; MNA; MNA (optical crystal); Meisei Fast Red RL Base; Mitsui Red RL Base; NSC 2075; NSC 5508; Naphtoelan Red RL Base; Red Base Ciba X; Red Base Irga X; Red Base NRL; Red RL Base; Red base RL; Sanyo Fast Red RL Base; Sanyo Fast Red Salt RL; Spectrolene Red RL; Symulon Red RL Base; Tulabase Fast Red RL; Yamada Fast Red RL Base