InChI=1/C20H18N4O2/c1-25-12-6-7-15(17(8-12)26-2)18-14-5-3-4-13(14)16(9-21)19(24)20(18,10-22)11-23/h4,6-8,14,18H,3,5,24H2,1-2H3/t14-,18-/m0/s1 645A583BADAA88A6