InChI=1S/C26H25N3O3/c1-29-24-8-7-19(12-20(24)15-28-29)22-10-16(6-9-25(30)31)11-23(27)26(22)32-21-13-17-4-2-3-5-18(17)14-21/h2-5,7-8,10-12,15,21H,6,9,13-14,27H2,1H3,(H,30,31)