ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI%3DInChI%26%2361%3B1S/C8H11N/c9-7-6-8-4-2-1-3-5-8/h1-5H%2C6-7%2C9H2/file?format=sdf&get3d=True -- InChI%3DInChI%26%2361%3B1S/C8H11N/c9-7-6-8-4-2-1-3-5-8/h1-5H%2C6-7%2C9H2 could not be loaded.