2-Naphthalenol,1-[(2,4-dinitrophenyl)azo]- (9CI);2-Naphthol, 1-(2,4-dinitrophenylazo)- (6CI);C.I. Pigment Orange 5 (7CI,8CI);1-(2,4-Dinitrophenylazo)-2-naphthol;Brilliant Tangerine 13030;C.I. 12075;CarnelioRed 2G;Chromatex Orange R;C Orange No. 17;Dainichi Permanent Red GG;Dinitroaniline Orange;Dinitroaniline Red;Dutch Vermilion;Fastona Red 2G;Graphtol Red 2GL;Hansa RedGG;Helio Fast Orange 3RN;HelioFast Orange RT;Irgalite Fast Red 2GL;Irgalite Red 2GW;Isol Fast Red 2G;Japan Orange No. 203;Light Orange R;Lutetia Orange RN;Monolite Fast Orange 2R;Monolite Fast Paper Orange 2R;Monolite Fast Red 2G;NSC 15975;Oralith Red 2GL;Orange No.203;Permanent Orange DN Toner;Permanent Orange HD;Permanent Orange TonerRA 5650;Permaton Orange;Permaton Orange XL45-3015;Pigment Orange 5;Segnale Light Orange RN;Segnale Light Orange RNG;Seikafast Orange 3044;Sico Orange L 3051;Signal Orange Y17;Silosol Orange RN;Siloton Orange RL;Syton Fast Red 2G;Tertropigment Red P2G;Versal Orange RNL;