ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1S/C3H6O3.Na/c1-2(4)3(5)6;/h2,4H,1H3,(H,5,6);/q; 1/p-1/file?format=sdf&get3d=True -- InChI=1S/C3H6O3.Na/c1-2(4)3(5)6;/h2,4H,1H3,(H,5,6);/q; 1/p-1 could not be loaded.