InChI=1/C27H22N4O3/c1-34-27(33)22(17-28)16-23-25(29-24-14-8-9-15-31(24)26(23)32)30(18-20-10-4-2-5-11-20)19-21-12-6-3-7-13-21/h2-16H,18-19H2,1H3/b22-16+ D7D306CD64D798D6