ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1S/C8H8N2O3/c1-8(5-3-2-4-13-5)6(11)9-7(12)10-8/h2-4H,1H3,(H2,9,10,11,12)/file?format=sdf&get3d=True -- InChI=1S/C8H8N2O3/c1-8(5-3-2-4-13-5)6(11)9-7(12)10-8/h2-4H,1H3,(H2,9,10,11,12) could not be loaded.