IUPAC:3-[2-(2-{2-[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]ethoxy}ethoxy)ethoxy]propanoic acid
IUPAC:3-[2-(2-{2-[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]ethoxy}ethoxy)ethoxy]propanoic acid