InChI=1S/C29H29N5O4/c1-33(25(35)18-34-15-13-30-14-16-34)22-10-8-21(9-11-22)31-27(19-5-3-2-4-6-19)26-23-12-7-20(29(37)38)17-24(23)32-28(26)36/h2-12,17,30-31H,13-16,18H2,1H3,(H,32,36)(H,37,38)/b27-26-