InChI=1/C26H27N3O4/c1-29(15-16-31-2)17-18-9-11-20(12-10-18)25(30)28-26-27-23-22(32-3)14-13-21(24(23)33-26)19-7-5-4-6-8-19/h4-14H,15-17H2,1-3H3,(H,27,28,30)/f/h28H 51E7A7CD26D2B08B