ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1/C3H2F4/c1-2(4)3(5,6)7/h1H2/file?format=sdf&get3d=True  -- InChI=1/C3H2F4/c1-2(4)3(5,6)7/h1H2 could not be loaded.