ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1S/C5H11NS2.Na/c1-3-6(4-2)5(7)8;/h3-4H2,1-2H3,(H,7,8);/q; 1/p-1/file?format=sdf&get3d=True  -- InChI=1S/C5H11NS2.Na/c1-3-6(4-2)5(7)8;/h3-4H2,1-2H3,(H,7,8);/q; 1/p-1 could not be loaded.