ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1/C6H14N2O2/c7-3-1-2-5(8)4-6(9)10/h5H,1-4,7-8H2,(H,9,10)/file?format=sdf&get3d=True  -- InChI=1/C6H14N2O2/c7-3-1-2-5(8)4-6(9)10/h5H,1-4,7-8H2,(H,9,10) could not be loaded.