InChI=1/C18H21N5/c1-22(14-7-3-2-4-8-14)18-19-11-10-15(21-18)16-13-20-17-9-5-6-12-23(16)17/h5-6,9-14H,2-4,7-8H2,1H3/p+1/fC18H22N5/h20H/q+1 BDECD0B849018EE5