94166-46-8

1-(3-Sulfonatopropyl)-2-[[1-[3-(potassiosulfo)propyl]quinolin-2(1H)-ylidene]methyl]quinolinium 3-[(2Z)-2-[[1-(3-sulfonatopropyl)quinolin-1-ium-2-yl]methylidene]quinolin-1-yl]propane-1-sulfonate hydrogen 1-(3-sulphonatopropyl)-2-[[1-(3-sulphonatopropyl)-1H-quinolin-2-ylidene]methyl]quinolinium, potassium salt