InChI=1/C16H16N6O/c17-13-9-11(16(23)21-7-3-4-8-21)10-14-19-15(20-22(13)14)12-5-1-2-6-18-12/h1-2,5-6,9-10H,3-4,7-8,17H2 7DB2633289D260EF