ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI%3DInChI%3D1S/C16H22O4/c1-3-5-11-19-15%2817%2913-9-7-8-10-14%2813%2916%2818%2920-12-6-4-2/h7-10H%2C3-6%2C11-12H2%2C1-2H3/file?format=sdf&get3d=True  -- InChI%3DInChI%3D1S/C16H22O4/c1-3-5-11-19-15%2817%2913-9-7-8-10-14%2813%2916%2818%2920-12-6-4-2/h7-10H%2C3-6%2C11-12H2%2C1-2H3 could not be loaded.