InChI=1/C16H16N6O/c23-16(18-10-14-21-20-13-7-3-9-22(13)14)19-12-6-1-4-11-5-2-8-17-15(11)12/h1-2,4-6,8H,3,7,9-10H2,(H2,18,19,23)/f/h18-19H 46E585EB80932B1A