1H-1,2,4-Triazolium, 5-((4-(diethylamino)phenyl)azo)-1,4-dimethyl-, methyl sulfate 1H-1,2,4-Triazolium, 5-((4-(diethylamino)phenyl)azo)-1,4-dimethyl-,methyl sulfate 23532-28-7 39084-09-8 5-((4-(Diethylamino)phenyl)azo)-1,4-dimethyl-1H-1,2,4-triazolium methyl sulphate EINECS 245-718-7