ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1S/C9H8N2/c1-2-4-9-8(3-1)7-10-5-6-11-9/h1-7,11H/file?format=sdf&get3d=True  -- InChI=1S/C9H8N2/c1-2-4-9-8(3-1)7-10-5-6-11-9/h1-7,11H could not be loaded.