4692-38-0 C.I. 44085 C.I. Basic Blue 15 Ethanaminium, N-[4-[[4-(diethylamino)phenyl][4-[(4-methylphenyl)amino]-1-naphthalenyl]methylene]-2,5-cyclohexadien-1-ylidene]-N-ethyl-, chloride NSC9620 Night Blue