ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1S/C7H11NO3S/c9-12(10,11)7-6-8-4-2-1-3-5-8/h1-4H,5-7H2,(H,9,10,11)/file?format=sdf&get3d=True  -- InChI=1S/C7H11NO3S/c9-12(10,11)7-6-8-4-2-1-3-5-8/h1-4H,5-7H2,(H,9,10,11) could not be loaded.