1-(2,5-Dioxo-2,5-dihydro-1H-pyrrol-1-yl)-3-oxo-7,10,13,16,19,22,25-heptaoxa-4-azaoctacosan-28-oic acid

1-(2,5-Dioxo-2,5-dihydro-1H-pyrrol-1-yl)-3-oxo-7,10,13,16,19,22,25-heptaoxa-4-azaoctacosan-28-oic acid