InChI=1/C18H21N5O/c19-8-13-3-5-14(6-4-13)10-22-11-16(17(21)12-22)18(24)23-7-1-2-15(23)9-20/h3-6,15-17H,1-2,7,10-12,21H2/p+1/t15-,16+,17-/m0/s1/fC18H22N5O/h21H/q+1 9AE77655495C2226