IUPAC:6-(2-carboxy-4-{[(2,5-dioxopyrrolidin-1-yl)oxy]carbonyl}phenyl)-1,2,2,10,10,11-hexamethyl-4-(sulfomethyl)-8-(sulfonatomethyl)-2,10-dihydro-1H-13-oxa-1,11-diazapentacen-11-ium
IUPAC:6-(2-carboxy-4-{[(2,5-dioxopyrrolidin-1-yl)oxy]carbonyl}phenyl)-1,2,2,10,10,11-hexamethyl-4-(sulfomethyl)-8-(sulfonatomethyl)-2,10-dihydro-1H-13-oxa-1,11-diazapentacen-11-ium