ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1S/C3H6FN/c4-2-1-3(2)5/h2-3H,1,5H2/t2-,3 /m0/s1/file?format=sdf&get3d=True  -- InChI=1S/C3H6FN/c4-2-1-3(2)5/h2-3H,1,5H2/t2-,3 /m0/s1 could not be loaded.