InChI=1/C19H22N6/c1-5-16(24-18-20-9-10-21-18)6-2-14(1)13-15-3-7-17(8-4-15)25-19-22-11-12-23-19/h1-8H,9-13H2,(H2,20,21,24)(H2,22,23,25)/p+2/fC19H24N6/h20-25H/q+2 D21EA243A9793898