ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1S/C18H14N2O6S.2Na/c1-10-6-7-14(15(8-10)27(24,25)26)19-20-16-12-5-3-2-4-11(12)9-13(17(16)21)18(22)23;;/h2-9,19H,1H3,(H,22,23)(H,24,25,26);;/q;2*+1/p-2/b20-16+;;/file?format=sdf&get3d=True  -- InChI=1S/C18H14N2O6S.2Na/c1-10-6-7-14(15(8-10)27(24,25)26)19-20-16-12-5-3-2-4-11(12)9-13(17(16)21)18(22)23;;/h2-9,19H,1H3,(H,22,23)(H,24,25,26);;/q;2*+1/p-2/b20-16+;; could not be loaded.