InChI=1/C18H17N5O/c1-11-3-4-15(24-11)16-14-8-23(2)6-5-12(14)13(7-19)17(22)18(16,9-20)10-21/h3-5,14,16H,6,8,22H2,1-2H3/t14-,16-/m0/s1 A275544F117D5CA4