ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1S/C22H18N4O4/c23-19(21(27)28)17(13-9-25-15-7-3-1-5-11(13)15)18(20(24)22(29)30)14-10-26-16-8-4-2-6-12(14)16/h1-10,17-18,23-26H,(H,27,28)(H,29,30)/file?format=sdf&get3d=True -- InChI=1S/C22H18N4O4/c23-19(21(27)28)17(13-9-25-15-7-3-1-5-11(13)15)18(20(24)22(29)30)14-10-26-16-8-4-2-6-12(14)16/h1-10,17-18,23-26H,(H,27,28)(H,29,30) could not be loaded.