IUPAC:2,5-dioxopyrrolidin-1-yl 1-[({3',6'-dihydroxy-3-oxo-3H-spiro[2-benzofuran-1,9'-xanthen]-5-yl}carbamothioyl)amino]-3,6,9,12,15,18-hexaoxahenicosan-21-oate
IUPAC:2,5-dioxopyrrolidin-1-yl 1-[({3',6'-dihydroxy-3-oxo-3H-spiro[2-benzofuran-1,9'-xanthen]-5-yl}carbamothioyl)amino]-3,6,9,12,15,18-hexaoxahenicosan-21-oate