IUPAC:2-[2-(2-{4-[(2S)-2-[(4-{[(2-amino-4-oxo-4,8-dihydropteridin-6-yl)methyl]amino}phenyl)formamido]-2-carboxyethyl]phenoxy}-3-{2-[3,3-dimethyl-5-sulfo-1-(4-sulfobutyl)-2,3-dihydro-1H-indol-2-ylidene]ethylidene}cyclohex-1-en-1-yl)ethenyl]-3,3-dimethyl-1-(4-sulfobutyl)-3H-indol-1-ium-5-sulfonate
IUPAC:2-[2-(2-{4-[(2S)-2-[(4-{[(2-amino-4-oxo-4,8-dihydropteridin-6-yl)methyl]amino}phenyl)formamido]-2-carboxyethyl]phenoxy}-3-{2-[3,3-dimethyl-5-sulfo-1-(4-sulfobutyl)-2,3-dihydro-1H-indol-2-ylidene]ethylidene}cyclohex-1-en-1-yl)ethenyl]-3,3-dimethyl-1-(4-sulfobutyl)-3H-indol-1-ium-5-sulfonate