ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1S/C23H20N2O6/c26-20(24-30-22(28)14-7-3-1-4-8-14)18-16-11-12-17(13-16)19(18)21(27)25-31-23(29)15-9-5-2-6-10-15/h1-12,16-19H,13H2,(H,24,26)(H,25,27)/t16?,17?,18-,19-/m0/s1/file?format=sdf&get3d=True -- InChI=1S/C23H20N2O6/c26-20(24-30-22(28)14-7-3-1-4-8-14)18-16-11-12-17(13-16)19(18)21(27)25-31-23(29)15-9-5-2-6-10-15/h1-12,16-19H,13H2,(H,24,26)(H,25,27)/t16?,17?,18-,19-/m0/s1 could not be loaded.