Hydron Blue 3RN
Phenol, p-(carbazol-3-ylamino)-
Phenol, 4-(9H-carbazol-3-ylamino)-
R-Base
4-(3-Carbazolylamino)phenol
C.I. Vat Blue 47
Hidrotin Blue 3R
Carbazole, 3-(p-hydroxyanilino)-
3-(4'-Hydroxyfenyl)aminokarbazol
Hidrotin Blue R
Hidrotin Blue 2R