InChI=1/C26H28N4O3/c31-25(27-26(21-9-3-1-4-10-21)22-11-5-2-6-12-22)15-16-28-17-19-29(20-18-28)23-13-7-8-14-24(23)30(32)33/h1-14,26H,15-20H2,(H,27,31)/f/h27H C7AA753845218A96