ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1S/B4O7.2Li/c5-1-9-3(7)11-4(8)10-2-6;;/q-2;2* 1/file?format=sdf&get3d=True  -- InChI=1S/B4O7.2Li/c5-1-9-3(7)11-4(8)10-2-6;;/q-2;2* 1 could not be loaded.