英文名称:Pigment Red 8; Permanent Red F4R; Pigment Permanent Red F4R; (4E)-N-(4-Chlorophenyl)-4-[(2-Methyl-5-Nitrophenyl)Hydrazono]-3-Oxo-3,4-Dihydronaphthalene-2-Carboxamide; P.R.8; (4E)-N-(4-Chlorophenyl)-4-[(2-Methyl-5-Nitrophenyl)Hydrazono]-3-Oxo-3,; 12335; C.I. 12335; Naphthol Red F4R; C.I.Pigment Red 8; N-(4-Chlorophenyl)-3-Hydroxy-4-[(2-Methyl-5-Nitrophenyl)Azo]-2-Naphthalenecarboxamide; N-(4-Chlorophenyl)-3-Hydroxy-4-[(2-Methyl-5-Nitrophenyl)Azo]-2-Naphthalenecarboxamide; (4E)-N-(4-Chlorophenyl)-4-[(2-Methyl-5-Nitrophenyl)Hydrazono]-3-Oxo-3,4-Dihydronaphthalene-2-Carboxamide