Benzenesulfonicacid, 2,2'-(1,2-ethenediyl)bis[5-[(4-hydroxyphenyl)azo]-, disodium salt (9CI);Brilliant Yellow C (6CI);C.I. Direct Yellow 4 (7CI);C.I. Direct Yellow 4,disodium salt (8CI);Benzo Brilliant Yellow;Brilliant Fast Yellow G2N;Brilliant Paper Yellow;Brilliant Paper Yellow C;Brilliant Paper Yellow P;Brilliant Yellow (indicator);C.I. 24890;Calcomine BrilliantPaper Yellow;Chlorazol Brilliant Yellow 3G;Diaphtamine Brilliant Fast Yellow3G;Diazol Brilliant Yellow N;Direct Brilliant Yellow G;Direct Yellow 4;Fenamin Yellow 3G;Kayaku Direct Yellow G;Nippon Brilliant Yellow G;PaperYellow 3GX;Paper Yellow 3GXA;Paper Yellow CB;Tertrodirect Yellow B;Trisulfon Paper Yellow;[5-(4-Hydroxyphenyl)azo-2-[2-[4-(4-hydroxyphenyl)azo-2-sodiooxysulfonyl-phenyl]vinyl]phenyl]sulfonyloxysodium;