10-氧代-5,8,14,17-四氧杂-2,11-二氮杂十九烷二酸 1-(9H-芴-9-基甲基)酯

10-Oxo-5,8,14,17-tetraoxa-2,11-diazanonadecanedioic acid 1-(9H-fluoren-9-ylmethyl) ester