InChI=1/C16H15N5O2/c1-20(2)16(23)18-10-3-4-11-9(7-10)8-12-13(11)19-15(22)14-17-5-6-21(12)14/h3-7H,8H2,1-2H3,(H,18,23)(H,19,22)/f/h18-19H E9542A7991FDD40D