Synonyms: 1,3,3-Trimethyl-2-[2-(2-methyl-1-indolinyl)vinyl]-3H-indoliumchloride (6CI);1H-Indolium,1-[(1,3-dihydro-1,3,3-trimethyl-2H-indol-2-ylidene)ethylidene]-2,3-dihydro-2-methyl-,chloride (9CI);3H-Indolium,1,3,3-trimethyl-2-[2-(2-methyl-1-indolinyl)vinyl]-, chloride (8CI);3H-Indolium, 2-[2-(2,3-dihydro-2-methyl-1H-indol-1-yl)ethenyl]-1,3,3-trimethyl-,chloride;Aizen Cathilon Yellow 7GLH;Astrazon Yellow 7GL;Astrazon Yellow7GLL;Basic Yellow 21;Basic Yellow 52115;Basic Yellow EFC New;Basic YellowEFCM New;C.I. 48060;C.I. Basic Yellow 21;Cathilon Yellow 7GLH;Deorlene Fast Yellow 7GL;Intradene Fast Yellow 7GL;Kayacryl Yellow7GL-ED;Yellow 7GLH;Yoracryl Yellow 7G;