IUPAC:3-ethyl-2-[2-(3-ethyl-6-sulfo-2,3-dihydro-1,3-benzothiazol-2-ylidene)hydrazin-1-ylidene]-2,3-dihydro-1,3-benzothiazole-6-sulfonic acid amine
IUPAC:3-ethyl-2-[2-(3-ethyl-6-sulfo-2,3-dihydro-1,3-benzothiazol-2-ylidene)hydrazin-1-ylidene]-2,3-dihydro-1,3-benzothiazole-6-sulfonic acid amine