ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI%3DInChI%3D1S/C8H8O2/c1-10-8-4-2-7%286-9%293-5-8/h2-6H%2C1H3/file?format=sdf&get3d=True  -- InChI%3DInChI%3D1S/C8H8O2/c1-10-8-4-2-7%286-9%293-5-8/h2-6H%2C1H3 could not be loaded.