ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI%3DInChI%3D1S/C12H8O4/c1-14-12-10-8%284-5-15-10%296-7-2-3-9%2813%2916-11%287%2912/h2-6H%2C1H3/file?format=sdf&get3d=True  -- InChI%3DInChI%3D1S/C12H8O4/c1-14-12-10-8%284-5-15-10%296-7-2-3-9%2813%2916-11%287%2912/h2-6H%2C1H3 could not be loaded.