N-(4-chloro-2-methylphenyl)-4-[(4-chloro-2-methylphenyl)azo]-3-hydroxynaphthalene-2-carboxamide;CI 12420;CIPIGMENTRED7;N-(4-chloro-2-methylphenyl)-4-[(4-chloro-2-methylphenyl)azo]-3-hydroxy-2-Naphthalenecarboxamide;(4Z)-N-(4-chloro-2-methylphenyl)-4-[(4-chloro-2-methylphenyl)hydrazinylidene]-3-oxonaphthalene-2-carboxamide;Pigment red 7 (C.I. 12420);2-Naphthalenecarboxamide, N-(4-chloro-2-methylphenyl) -4-[(4-chloro-2-methylphenyl)azo]-3-hydroxy-;Permanent Red F-4RH