N-Ethyl-N-[4-[[4-[ethyl[(3-sulfophenyl)methyl]amino]phenyl](4-hydroxy-2-sulfophenyl)methylene]-2,5-cyclohexadien-1-ylidene]-3-sulfobenzenemethanaminium inner salt sodium salt (1:2), N-Ethyl-N-[4-[[4-[ethyl[(3-sulfophenyl)methyl]amino]phenyl](4-hydroxy-2-sulfophenyl)methylene]-2,5-cyclohexadien-1-ylidene]-3-sulfobenzenemethanaminium hydroxide inner salt disodium salt, N-Ethyl-N-[4-[[4-[ethyl[(3-sulfophenyl)methyl]amino]phenyl](4-hydroxy-2-sulfophenyl)methylene]-2,5-cyclohexadien-1-ylidene]-3-sulfobenzenemethanaminium inner salt disodium salt, C.I. Food Green 3, C.I. Food Green 3 disodium salt, Fast Green FCF, C.I. 42053, FD and C Green No. 3, FD&C Green No. 3, FDC Green 3, Fast Green, Food Green 3, Food Green No. 3, Green No. 3, Japan Food Green No. 3, Japan Green 3, Japan Green No. 3, NSC 379443