ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1S/C12H12N2O2/c13-4-1-5-14-11(15)9-7-2-3-8(6-7)10(9)12(14)16/h2-3,7-10H,1,5-6H2/file?format=sdf&get3d=True  -- InChI=1S/C12H12N2O2/c13-4-1-5-14-11(15)9-7-2-3-8(6-7)10(9)12(14)16/h2-3,7-10H,1,5-6H2 could not be loaded.