InChI=1/C18H21N5O2/c1-3-23-16-13(5-4-7-19-16)18(25)21-15-11(2)9-14(20-17(15)23)22-8-6-12(24)10-22/h4-5,7,9,12,24H,3,6,8,10H2,1-2H3,(H,21,25)/p+1/t12-/m1/s1/fC18H22N5O2/h20-21H/q+1 9962B62B4DECCB94