製品名:3H-Indolium, 2-[3-[1-(5-carboxypentyl)-1,3-dihydro-3,3-dimethyl-5-sulfo-2H-indol-2-ylidene]-1-propen-1-yl]-1-ethyl-3,3-dimethyl-5-sulfo-, inner salt
IUPAC Name:2-{3-[1-(5-carboxypentyl)-3,3-dimethyl-5-sulfo-2,3-dihydro-1H-indol-2-ylidene]prop-1-en-1-yl}-1-ethyl-3,3-dimethyl-5-sulfo-3H-indol-1-ium