ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1S/C22H18N4O9S2.2Na/c1-2-35-22(28)20-19(21(27)26(25-20)13-7-9-14(10-8-13)36(29,30)31)24-23-17-11-12-18(37(32,33)34)16-6-4-3-5-15(16)17;;/h3-12,23H,2H2,1H3,(H,29,30,31)(H,32,33,34);;/q;2* 1/p-2/file?format=sdf&get3d=True -- InChI=1S/C22H18N4O9S2.2Na/c1-2-35-22(28)20-19(21(27)26(25-20)13-7-9-14(10-8-13)36(29,30)31)24-23-17-11-12-18(37(32,33)34)16-6-4-3-5-15(16)17;;/h3-12,23H,2H2,1H3,(H,29,30,31)(H,32,33,34);;/q;2* 1/p-2 could not be loaded.