5905-34-0 Acid Violet 7B C.I. 42745 C.I. Acid Violet 25 C.I. Acid Violet 25, sodium salt Methanaminium, N-[4-[bis[4-[ethyl(3-sulfophenyl)amino]phenyl]methylene]-2,5-cyclohexadien-1-ylidene]-N-methyl-, hydroxide, inner salt, sodium salt NSC51541