(2-(Ethyl(4-((3-phenyl-1,2,4-thiadiazol-5-yl)azo)phenyl)amino)ethyl)trimethylammonium dihydrogen phosphate 72906-39-9 EINECS 277-002-5 Ethanaminium, 2-(ethyl(4-((3-phenyl-1,2,4-thiadiazol-5-yl)azo)phenyl)amino)-N,N,N-trimethyl-, phosphate (1:1)