ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI%3DInChI%3D1S/C8H7N/c1-2-4-8-7%283-1%295-6-9-8/h1-6%2C9H/file?format=sdf&get3d=True -- InChI%3DInChI%3D1S/C8H7N/c1-2-4-8-7%283-1%295-6-9-8/h1-6%2C9H could not be loaded.