Tên tương tự: Benzenesulfonic acid, 4-[(5-amino-3-methyl-1-phenyl-1H-pyrazol-4-yl)azo]-2,5-dichloro- (9CI); C.I. Acid Yellow 49 (8CI); 4-[2-(5-Amino-3-methyl-1-phenyl-1H-pyrazol-4-yl)diazenyl]-2,5-dichlorobenzenesulfonic acid; Acid Fast Yellow NFG; Acid Yellow 49; Acid Yellow GR; Ambinyl Yellow L 4G; Apollo Nylon Fast Yellow FGL; Atanyl Yellow 4NGL; Best Acid Yellow NFG; C.I. 18640; Concorde Acid Yellow NFG; Covanyl Yellow FG; Daedo Acid Yellow FGL; Derma Fur Yellow 3G200; Egacid Yellow GR; Eurocen Yellow GR; Everacid Yellow 4NGL; Everacid Yellow NFG; Fabracid Yellow S 9G; Hispacid Yellow GRL; Hispalon Yellow B-GRL; Kayanol Yellow NFG; Kenamide Yellow KFGL; Multacid Yellow GR; Nylanthrene Brilliant Yellow 4NGL; Nylosan Yellow E 4G; Rifa Acid Fast Yellow E-FGL; Supracen Yellow GR; Supracen Yellow GR 200; Telon Light Yellow FG; Telon Yellow FG; Telon Yellow FGL; Triacid Fast Yellow 4GL; Vilmacid Fast Yellow E 4GK; Weak Acid Yellow GR