ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1S/C2HF3O2/c3-2(4,5)1(6)7/h(H,6,7)/file?format=sdf&get3d=True  -- InChI=1S/C2HF3O2/c3-2(4,5)1(6)7/h(H,6,7) could not be loaded.