InChI=1/C26H31N3O4/c1-2-3-4-5-15-32-23-13-11-21(12-14-23)27-19-25(30)29-22-9-6-8-20(17-22)26(31)28-18-24-10-7-16-33-24/h6-14,16-17,27H,2-5,15,18-19H2,1H3,(H,28,31)(H,29,30)/f/h28-29H 8A4B1C9686E1C814