25746-37-6 Anhydro-5,5'-dimethyl-9-ethyl-3,3'-bis(gamma-sulfopropyl)-2,2'-thiacarbocyanine hydroxide, triethylammonium salt Benzothiazolium, 5-methyl-2-(2-((5-methyl-3-(3-sulfopropyl)-2(3H)-benzothiazolylidene)methyl)-1-butenyl)-3-(3-sulfopropyl)-, inner salt, compd. with N,N-diethylethanamine (1:1) EINECS 247-229-4 Hydrogen 2-(((5-methyl-3-(3-sulphonatopropyl)-3H-benzothiazol-2-ylidene)methyl)but-1-enyl)-3-(3-sulphonatopropyl)benzothiazolium, compound with triethylamine (1:1)