InChI=1/C21H22N4O2/c1-13(2)24-17-12-8-7-11-16(17)21(27,20(24)26)18-14(3)23-25(19(18)22)15-9-5-4-6-10-15/h4-13,27H,22H2,1-3H3/t21-/m0/s1 0C96A3EDD3DA72E4