4-Methyl-2-nitro-benzenamine-d6; 2-Nitro-p-toluidine-d6; (4-Methyl-2-nitrophenyl)amine-d6; 1-Amino-2-nitro-4-methylbenzene-d6; 3-Nitro-4-aminotoluene-d6; 4-Amino-3-nitrotoluene-d6; Amarthol Fast Red GL Salt-d6; Azoamine Red A-d6; Mitsui Red GL Base-d6; NSC 2759-d6;