InChI=1/C22H22N4O2/c1-2-3-12-25-21(27)18-13-16-15-6-4-5-7-17(15)24-19(16)20(26(18)22(25)28)14-8-10-23-11-9-14/h4-11,18,20,24H,2-3,12-13H2,1H3/t18-,20-/m1/s1 D388BC550E22721B