IUPAC:1-[12-azido-1-({3',6'-dihydroxy-3-oxo-3H-spiro[2-benzofuran-1,9'-xanthen]-5-yl}carbamothioyl)-4,7,10-trioxa-1-azadodecan-1-yl]-3,6,9,12-tetraoxapentadecan-15-oic acid
IUPAC:1-[12-azido-1-({3',6'-dihydroxy-3-oxo-3H-spiro[2-benzofuran-1,9'-xanthen]-5-yl}carbamothioyl)-4,7,10-trioxa-1-azadodecan-1-yl]-3,6,9,12-tetraoxapentadecan-15-oic acid