ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1S/C16H14O4S2/c17-15(18)9-11-1-5-13(6-2-11)21-22-14-7-3-12(4-8-14)10-16(19)20/h1-8H,9-10H2,(H,17,18)(H,19,20)/file?format=sdf&get3d=True  -- InChI=1S/C16H14O4S2/c17-15(18)9-11-1-5-13(6-2-11)21-22-14-7-3-12(4-8-14)10-16(19)20/h1-8H,9-10H2,(H,17,18)(H,19,20) could not be loaded.