ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1S/C8H16N2O2/c1-5(11)7(9)4-6-2-3-10-8(6)12/h5-7,11H,2-4,9H2,1H3,(H,10,12)/t5?,6-,7-/m0/s1/file?format=sdf&get3d=True  -- InChI=1S/C8H16N2O2/c1-5(11)7(9)4-6-2-3-10-8(6)12/h5-7,11H,2-4,9H2,1H3,(H,10,12)/t5?,6-,7-/m0/s1 could not be loaded.