ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1S/C19H14N4O6/c24-15-6-1-12(2-7-15)19(13-3-8-16(25)9-4-13)21-20-17-10-5-14(22(26)27)11-18(17)23(28)29/h1-11,20,24-25H/file?format=sdf&get3d=True  -- InChI=1S/C19H14N4O6/c24-15-6-1-12(2-7-15)19(13-3-8-16(25)9-4-13)21-20-17-10-5-14(22(26)27)11-18(17)23(28)29/h1-11,20,24-25H could not be loaded.