ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1S/C10H18/c1-3-5-7-9-10-8-6-4-2/h3-4H,1-2,5-10H2/file?format=sdf&get3d=True  -- InChI=1S/C10H18/c1-3-5-7-9-10-8-6-4-2/h3-4H,1-2,5-10H2 could not be loaded.