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