Alexa Fluor 594 para-isomer

2H-Pyrano[3,2-g:5,6-g′]diquinolinium, 6-[2-carboxy-5-[[(2,5-dioxo-1-pyrrolidinyl)oxy]carbonyl]phenyl]-10,11-dihydro-1,2,2,10,10,11-hexamethyl-4,8-bis(sulfomethyl)-, inner salt

[6-(2-Carboxy-5-{[(2,5-dioxo-1-pyrrolidinyl)oxy]carbonyl}phenyl)-1,2,2,10,10,11-hexamethyl-8-(sulfomethyl)-10,11-dihydro-2H-pyrido[3′,2′:6,7]chromeno[3,2-g]chinolin-1-ium-4-yl]methansulfonat

[6-(2-Carboxy-5-{[(2,5-dioxo-1-pyrrolidinyl)oxy]carbonyl}phényl)-1,2,2,10,10,11-hexaméthyl-8-(sulfométhyl)-10,11-dihydro-2H-pyrido[3′,2′:6,7]chroméno[3,2-g]quinoléin-1-ium-4-yl]méthanesulfonate

[6-(2-Carboxy-5-{[(2,5-dioxo-1-pyrrolidinyl)oxy]carbonyl}phenyl)-1,2,2,10,10,11-hexamethyl-8-(sulfomethyl)-10,11-dihydro-2H-pyrido[3′,2′:6,7]chromeno[3,2-g]quinolin-1-ium-4-yl]methanesulfonate

Alexa Fluor 594 para-isomer

[6-(2-carboxy-5-{[(2,5-dioxopyrrolidin-1-yl)oxy]carbonyl}phenyl)-1,2,2,10,10,11-hexamethyl-8-(sulfomethyl)-10,11-dihydro-2H-pyrano[3,2-g:5,6-g′]diquinolin-1-ium-4-yl]methanesulfonate

Alexa Fluor 594 meta-isomer