ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1S/C8H17NO/c1-2-3-4-5-6-7-8(9)10/h2-7H2,1H3,(H2,9,10)/file?format=sdf&get3d=True  -- InChI=1S/C8H17NO/c1-2-3-4-5-6-7-8(9)10/h2-7H2,1H3,(H2,9,10) could not be loaded.