1H-Benz(e)indolium, 2-(7-(1,3-dihydro-1,1-dimethyl-3-(4-sulfobutyl)-2H-benz(e)indol-2-ylidene)-1,3,5-heptatrienyl)-1,1-dimethyl-3-(4-sulfobutyl)-, inner salt, sodium salt
diagnostic drugs contrast agents indocyanine green