ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1S/C8H7N/c1-2-6-9-7-3-5-8(9)4-1/h1-7H/file?format=sdf&get3d=True  -- InChI=1S/C8H7N/c1-2-6-9-7-3-5-8(9)4-1/h1-7H could not be loaded.