(4-(alpha-(p-(Diethylamino)phenyl)-2,5-disulfobenzylidene)-2,5-cyclohexadien-1-ylidene)diethylammonium hydroxide, inner salt, sodium salt 68238-36-8 C.I. 42045 CI 42045 Disulphin Blau Ethanaminium, N-(4-((4-(diethylamino)phenyl)(2,5-disulfophenyl)methylene)-2,5-cyclohexadien-1-ylidene)-N-ethyl-, hydroxide, inner salt, sodium salt ISOSULFAN BLUE Iso-sulfan blue Isosulfan blue [USAN] P 1888 P 4125 Patent blau V Patentblau V Sulfanblau Sulphan blue Sulphan blue 2,5-disulfophenyl isomer