InChI=1/C18H22N4O2/c1-10-13-7-11(9-19-16(13)24-22-10)15(23)21-20-14-8-12-5-6-18(14,4)17(12,2)3/h7,9,12H,5-6,8H2,1-4H3,(H,21,23)/b20-14-/t12-,18+/m1/s1/f/h21H DA502DDAB8925A44