ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1S/C16H12N2O7S2.2Na/c19-13-7-6-10-8-12(26(20,21)22)9-14(27(23, 24)25)15(10)16(13)18-17-11-4-2-1-3-5-11;;/h1-9,17H,(H,20,21,22)(H,23,24, 25);;/q;2*+1/p-2/b18-16+;;/file?format=sdf&get3d=True -- InChI=1S/C16H12N2O7S2.2Na/c19-13-7-6-10-8-12(26(20,21)22)9-14(27(23, 24)25)15(10)16(13)18-17-11-4-2-1-3-5-11;;/h1-9,17H,(H,20,21,22)(H,23,24, 25);;/q;2*+1/p-2/b18-16+;; could not be loaded.