IUPAC:2,5-dioxopyrrolidin-1-yl 1-({3',6'-dihydroxy-3-oxo-3H-spiro[2-benzofuran-1,9'-xanthen]-5-yl}formamido)-3,6,9,12,15,18,21,24,27,30,33,36-dodecaoxanonatriacontan-39-oate
IUPAC:2,5-dioxopyrrolidin-1-yl 1-({3',6'-dihydroxy-3-oxo-3H-spiro[2-benzofuran-1,9'-xanthen]-5-yl}formamido)-3,6,9,12,15,18,21,24,27,30,33,36-dodecaoxanonatriacontan-39-oate