1-(3-Sulfopropyl)-2-(2-((1-(3-sulfopropyl)naphtho(1,2-d)thiazol-2(1H)-ylidene)methyl)-1-butenyl)naphtho(1,2-d)thiazolium, hydroxide, inner salt 105938-65-6 138529-18-7 4622-66-6 55929-56-1 94726-85-9 94883-42-8 95356-30-2 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