ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1S/C8H10O/c9-7-6-8-4-2-1-3-5-8/h1-5,9H,6-7H2/file?format=sdf&get3d=True  -- InChI=1S/C8H10O/c9-7-6-8-4-2-1-3-5-8/h1-5,9H,6-7H2 could not be loaded.