Alexa Fluor 514 meta-isomer

6-(2-Carboxy-4-{[(2,5-dioxo-1-pyrrolidinyl)oxy]carbonyl}phenyl)-9-iminio-2,2,4-trimethyl-12-sulfo-1,3,4,9-tetrahydro-2H-chromeno[3,2-g]chinolin-10-sulfonat

6-(2-Carboxy-4-{[(2,5-dioxo-1-pyrrolidinyl)oxy]carbonyl}phényl)-9-iminio-2,2,4-triméthyl-12-sulfo-1,3,4,9-tétrahydro-2H-chroméno[3,2-g]quinoléine-10-sulfonate

6-(2-Carboxy-4-{[(2,5-dioxo-1-pyrrolidinyl)oxy]carbonyl}phenyl)-9-iminio-2,2,4-trimethyl-12-sulfo-1,3,4,9-tetrahydro-2H-chromeno[3,2-g]quinoline-10-sulfonate

Alexa Fluor 514 meta-isomer

Benzoic acid, 5-[[(2,5-dioxo-1-pyrrolidinyl)oxy]carbonyl]-2-(1,3,4,9-tetrahydro-9-imino-2,2,4-trimethyl-10,12-disulfo-2H-[1]benzopyrano[3,2-g]quinolin-6-yl)-

6-(2-carboxy-4-{[(2,5-dioxopyrrolidin-1-yl)oxy]carbonyl}phenyl)-9-iminio-2,2,4-trimethyl-12-sulfo-1,3,4,9-tetrahydro-2H-chromeno[3,2-g]quinoline-10-sulfonate