ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1S/C10H10N2/c1-2-6-11-7-9-12-8-3-5-10(12)4-1/h1-8H,9H2/b4-1?,6-2?,11-7-/file?format=sdf&get3d=True  -- InChI=1S/C10H10N2/c1-2-6-11-7-9-12-8-3-5-10(12)4-1/h1-8H,9H2/b4-1?,6-2?,11-7- could not be loaded.