InChI=1/C16H15N5O/c1-12-14(11-18-19-15-9-5-6-10-17-15)16(22)21(20-12)13-7-3-2-4-8-13/h2-11,18H,1H3,(H,17,19)/b14-11-/f/h19H A6BE441A73C6B64E