ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1S/C6H9NS/c1-4-5(2)8-6(3)7-4/h1-3H3/file?format=sdf&get3d=True  -- InChI=1S/C6H9NS/c1-4-5(2)8-6(3)7-4/h1-3H3 could not be loaded.