IUPAC:5-[(2-{bis[(pyridin-2-yl)methyl]amino}ethyl)amino]-2',7'-difluoro-3',6'-dihydroxy-3H-spiro[2-benzofuran-1,9'-xanthen]-3-one
IUPAC:5-[(2-{bis[(pyridin-2-yl)methyl]amino}ethyl)amino]-2',7'-difluoro-3',6'-dihydroxy-3H-spiro[2-benzofuran-1,9'-xanthen]-3-one