ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI%3DInChI%3D1S/C3H9O6P.Ca/c4-1-3%282-5%299-10%286%2C7%298/file?format=sdf&get3d=True  -- InChI%3DInChI%3D1S/C3H9O6P.Ca/c4-1-3%282-5%299-10%286%2C7%298 could not be loaded.