Synonyms: Benzenesulfonicacid,4,4'-[(phenylmethylene)bis[4,1-phenyleneazo(4,5-dihydro-3-methyl-5-oxo-1H-pyrazole-4,1-diyl)]]bis-,disodium salt (9CI);C.I. Acid Yellow 117, disodium salt (8CI);Acid BrilliantYellow G;Acid Light Yellow P;Acid Milling Yellow G;AcidYellow 117;Acid Yellow GN;Azo Milling Yellow G;C.I. 24820;C.I. Acid Yellow117;Dycosweak Acid Brilliant Yellow G;Milling Yellow HG;Polar Yellow G;Polar Yellow GN;Sulfonine Yellow PG;Sulfonine Yellow PJ;Tracid Light YellowG;Weak Acid Yellow GN;Weak Acid Yellow GN 02;