ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1S/C13H10N2/c1-2-4-6-11-8-13-12(14-9-15-13)7-10(11)5-3-1/h1-9H,(H,14,15)/b2-1-,3-1?,4-2?,5-3-,6-4-,10-5?,11-6?/file?format=sdf&get3d=True  -- InChI=1S/C13H10N2/c1-2-4-6-11-8-13-12(14-9-15-13)7-10(11)5-3-1/h1-9H,(H,14,15)/b2-1-,3-1?,4-2?,5-3-,6-4-,10-5?,11-6? could not be loaded.