ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1S/C22H20N4O6/c23-13(21(29)30)5-9-8-25-19-17(9)12(7-16(27)20(19)28)18-11(6-14(24)22(31)32)10-3-1-2-4-15(10)26-18/h1-4,7-8,13-14,25-26H,5-6,23-24H2,(H,29,30)(H,31,32)/file?format=sdf&get3d=True -- InChI=1S/C22H20N4O6/c23-13(21(29)30)5-9-8-25-19-17(9)12(7-16(27)20(19)28)18-11(6-14(24)22(31)32)10-3-1-2-4-15(10)26-18/h1-4,7-8,13-14,25-26H,5-6,23-24H2,(H,29,30)(H,31,32) could not be loaded.