C.I. Basic red 23;2,4-thiadiazol-5-yl)azo]phenyl]amino]-N,N,N-trimethyl-2-[ethyl[3-methyl-4-[(3-phenyl-1;2-[ethyl[3-methyl-4-[(3-phenyl-1,2,4-thiadiazol-5-yl)azo]phenyl]amino]-N,N,N-trimethyl-;[2-[N-ethyl-4-[(3-phenyl-1,2,4-thiadiazol-5-yl)azo]-m-toluidino]ethyl]trimethylammonium;2-[Ethyl[3-methyl-4-[(3-phenyl-1,2,4-thiadiazol-5-yl)azo]phenyl]amino]-N,N,N-trimethylethanaminium