InChI=1/C26H25N3O4/c1-31-24-10-8-21(14-25(24)32-2)28-15-17-3-5-18(6-4-17)26(30)29-23-13-19(7-9-22(23)27)20-11-12-33-16-20/h3-14,16,28H,15,27H2,1-2H3,(H,29,30)/f/h29H 81938B22BA5370E8