7-[(4-氨基苯甲酰)氨基]-4-羟基-3-[[4-[(4-磺酸基苯基)偶氮]苯基]偶氮]萘-2-磺酸二钠; 7-[(4-Aminobenzoyl)amino]-4-hydroxy-3-[[4-[(4-sodiosulfophenyl)azo]phenyl]azo]naphthalene-2-sulfonic acid sodium salt; C.I.28230; C.I.Direct Red 117; Diazophenyl Red 7BL; disodium,(3E)-7-[(4-aminobenzoyl)amino]-4-oxo-3-[[4-[(4-sulfonatophenyl)diazenyl]phenyl]hydrazinylidene]naphthalene-2-sulfonate; Direct Red 117