ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI%3DInChI%3D1S/C6H10O3/c1-7-5-3-4-6%288-2%299-5/h3-6H%2C1-2H3/file?format=sdf&get3d=True  -- InChI%3DInChI%3D1S/C6H10O3/c1-7-5-3-4-6%288-2%299-5/h3-6H%2C1-2H3 could not be loaded.