ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1S/C12H16N2/c13-12-10-7-14(8-11(10)12)6-9-4-2-1-3-5-9/h1-5,10-12H,6-8,13H2/file?format=sdf&get3d=True  -- InChI=1S/C12H16N2/c13-12-10-7-14(8-11(10)12)6-9-4-2-1-3-5-9/h1-5,10-12H,6-8,13H2 could not be loaded.