ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1/C4H3F7O/c5-1-12-2(3(6,7)8)4(9,10)11/h2H,1H2/file?format=sdf&get3d=True  -- InChI=1/C4H3F7O/c5-1-12-2(3(6,7)8)4(9,10)11/h2H,1H2 could not be loaded.