InChI=1/C16H15N5O2/c1-3-8-21-15(22)12-14(20(2)16(21)23)19-13(18-12)11-6-4-10(9-17)5-7-11/h4-7H,3,8H2,1-2H3,(H,18,19)/f/h18H BF9DBB7DB4D893D5