ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1S/C12H22N2O4/c1-3-6-12(2,7-17-10(13)15)8-18-11(16)14-9-4-5-9/h9H,3-8H2,1-2H3,(H2,13,15)(H,14,16)/file?format=sdf&get3d=True  -- InChI=1S/C12H22N2O4/c1-3-6-12(2,7-17-10(13)15)8-18-11(16)14-9-4-5-9/h9H,3-8H2,1-2H3,(H2,13,15)(H,14,16) could not be loaded.