InChI=1/C16H15N4O/c17-15-14-13(10-4-2-1-3-5-10)8-20(11-6-12(21)7-11)16(14)19-9-18-15/h1-5,8-9,11-12H,6-7H2,(H2,17,18,19)/q-1/f/h17H2 31ADCB15F71DAA6A