ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1S/C4H9F3Si/c1-8(2,3)4(5,6)7/h1-3H3/file?format=sdf&get3d=True  -- InChI=1S/C4H9F3Si/c1-8(2,3)4(5,6)7/h1-3H3 could not be loaded.