ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1S/C26H18N4O9/c31-27(32)21-9-1-17(2-10-21)25(18-3-11-22(12-4-18)28(33)34)39-26(19-5-13-23(14-6-19)29(35)36)20-7-15-24(16-8-20)30(37)38/h1-16,25-26H/file?format=sdf&get3d=True  -- InChI=1S/C26H18N4O9/c31-27(32)21-9-1-17(2-10-21)25(18-3-11-22(12-4-18)28(33)34)39-26(19-5-13-23(14-6-19)29(35)36)20-7-15-24(16-8-20)30(37)38/h1-16,25-26H could not be loaded.