Product Name:

1H-Benzimidazolium, 5,6-dichloro-2-(3-(5,6-dichloro-1-ethyl-1,3-dihydro-3-(4-sulfobutyl)-2H-benzimidazol-2-ylidene)-1-propenyl)-1-ethyl-3-(4-sulfobutyl)-, inner salt, sodium salt