InChI=1/C16H18N6O/c17-11-16(8-2-1-3-9-16)15(23)18-10-12-4-6-13(7-5-12)14-19-21-22-20-14/h4-7H,1-3,8-10H2,(H2,18,19,20,21,22,23)/p-1/fC16H17N6O/h18H/q-1 571A91207620B11A