InChI=1/C18H21N5/c19-10-4-5-11-21-18-22-16-9-8-14(12-15(16)17(20)23-18)13-6-2-1-3-7-13/h1-3,6-9,12H,4-5,10-11,19H2,(H3,20,21,22,23)/p+2/fC18H23N5/h19,21-22H,20H2/q+2 FA2BACF6FBB1B3A9