ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1S/C12H16N2O2/c1-14-8-10(13-11(14)12(15)16)7-9-5-3-2-4-6-9/h2-6,10-11,13H,7-8H2,1H3,(H,15,16)/t10-,11?/m0/s1/file?format=sdf&get3d=True  -- InChI=1S/C12H16N2O2/c1-14-8-10(13-11(14)12(15)16)7-9-5-3-2-4-6-9/h2-6,10-11,13H,7-8H2,1H3,(H,15,16)/t10-,11?/m0/s1 could not be loaded.