5-(diisopropylamino)-2-[[4-(dimethylamino)phenyl]azo]-3-methyl-1,3,4-thiadiazolium methyl sulphate

1,3,4-Thiadiazolium, 5-bis(1-methylethyl)amino-2-4-(dimethylamino)phenylazo-3-methyl-, methyl sulfate