ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1S/Al.4FH.K/h;4*1H;/q 3;;;;; 1/p-4/file?format=sdf&get3d=True  -- InChI=1S/Al.4FH.K/h;4*1H;/q 3;;;;; 1/p-4 could not be loaded.