ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI%3DInChI%3D1S/C12H20O2/c1-10%282%296-5-7-11%283%298-9-14-12%284%2913/h6%2C8H%2C5%2C7%2C9H2%2C1-4H3/b11-8%2B/file?format=sdf&get3d=True  -- InChI%3DInChI%3D1S/C12H20O2/c1-10%282%296-5-7-11%283%298-9-14-12%284%2913/h6%2C8H%2C5%2C7%2C9H2%2C1-4H3/b11-8%2B could not be loaded.