105938-66-7 138529-19-8 23216-67-3 41664-78-2 55929-57-2 94726-86-0 94883-43-9 95356-31-3 EINECS 245-498-2 Hydrogen 1-(3-sulphonatopropyl)-2-(2-((1-(3-sulphonatopropyl)naphtho(1,2-d)thiazolin-2-ylidene)methyl)but-1-enyl)naphtho(1,2-d)thiazolium, compound with triethylamine Naphtho(1,2-d)thiazolium, 1-(3-sulfopropyl)-2-(2-((1-(3-sulfopropyl)naphtho(1,2-d)thiazol-2(1H)-ylidene)methyl)-1-butenyl)-, inner salt, compd. with N,N-diethylethanamine (1:1)