ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1S/C2H8O7P2.Na/c1-2(3,10(4,5)6)11(7,8)9;/h3H,1H3,(H2,4,5,6)(H2,7,8,9);/q; 1/p-1/file?format=sdf&get3d=True -- InChI=1S/C2H8O7P2.Na/c1-2(3,10(4,5)6)11(7,8)9;/h3H,1H3,(H2,4,5,6)(H2,7,8,9);/q; 1/p-1 could not be loaded.