Synonyms: 1,4-Benzenedicarboxylicacid, 2,2'-[1,4-phenylenebis[imino(1-acetyl-2-oxo-2,1-ethanediyl)azo]]bis-,tetramethyl ester (9CI);1,4-Benzenedicarboxylicacid,2,2'-[1,4-phenylenebis[imino(1-acetyl-2-oxo-2,1-ethanediyl)-2,1-diazenediyl]]bis-,1,1',4,4'-tetramethyl ester;C.I. Pigment Yellow 155;Graphtol FastYellow 3GP;Graphtol Yellow 3GP;Hostaperm Yellow 3GP;Ink Jet Yellow4G-VP2532;Ink Jet Yellow 4GP;Monolite Yellow 4G;Novoperm Yellow 4G;NovopermYellow 4G01;Novoperm Yellow 5GD;Novoperm Yellow 5GD70;PV Fast Yellow 4GP;Pigmatex Yellow 2GNA;Sandorin Yellow 4G;Toner Yellow 3GP;