1-Ethyl-6-methyl-2-[[5-methyl-3-(3-sulfonatopropyl)benzothiazol-2(3H)-ylidene]methyl]quinolinium

1-ethyl-6-methyl-2-[[5-methyl-3-(3-sulphonatopropyl)-3H-benzothiazol-2-ylidene]methyl]quinolinium