bis[6-methoxy-3-methyl-2-[3-methyl-3-(4-nitrophenyl)triazen-1-yl]benzothiazolium] sulphate

Benzothiazolium, 6-methoxy-3-methyl-2-[3-methyl- 3-(4-nitrophenyl)-1-triazenyl]-, sulfate (2:1)