Synonyms: Hydrazinecarboximidothioicacid,[5-[2-[[imino(methylthio)methyl]hydrazono]-4-methyl-5(2H)-thiazolylidene]-4-methyl-2(5H)-thiazolylidene]-,methyl ester (9CI); [D5,5'-Bi-3-thiazoline]-2,2'-dione, 4,4'-dimethyl-,bis(3-methyl-3-thioisosemicarbazone) (8CI); Isosemicarbazide,1,1'-(4,4'-dimethyl[D5,5'-bi-3-thiazoline]-2,2'-diylidene)bis[3-methyl-3-thio- (8CI); ThiazoleBlue