InChI=1/C16H15N5O/c1-2-21-14(22)9-8-13(20-21)12-10-18-16(17)19-15(12)11-6-4-3-5-7-11/h3-10H,2H2,1H3,(H2,17,18,19)/f/h17H2 4783076D4403AC13