ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI%3DInChI%3D1S/C6H12O/c1-2-3-4-5-6-7/h6H%2C2-5H2%2C1H3/file?format=sdf&get3d=True  -- InChI%3DInChI%3D1S/C6H12O/c1-2-3-4-5-6-7/h6H%2C2-5H2%2C1H3 could not be loaded.