InChI=1/C16H15N3O2/c1-18(12-7-3-2-4-8-12)11-13-15(20)17-14-9-5-6-10-19(14)16(13)21/h2-10,20H,11H2,1H3/p-1/fC16H14N3O2/h20h/q-1 2DB5C5E52440A248