1H-Benzimidazolium, 5,6-dichloro-2-(3-(5,6-dichloro-1-ethyl-1,3-dihydro-3-(3-sulfobutyl)-2H-benzimidazol-2-ylidene)-1-propenyl)-1-ethyl-3-(3-sulfobutyl)-, hydroxide, inner salt, compd. with N,N-diethylethanamine (1:1) 1H-Benzimidazolium, 5,6-dichloro-2-(3-(5,6-dichloro-1-ethyl-1,3-dihydro-3-(3-sulfobutyl)-2H-benzimidazol-2-ylidene)-1-propenyl)-1-ethyl-3-(3-sulfobutyl)-, inner salt, compd. with N,N-diethylethanamine (1:1) 63148-91-4 EINECS 263-943-9