InChI=1/C27H25NO5/c1-19-24(28-26(32-19)21-8-4-2-5-9-21)16-17-31-22-14-12-20(13-15-22)18-25(27(29)30)33-23-10-6-3-7-11-23/h2-15,25H,16-18H2,1H3,(H,29,30)/p-1/t25-/m0/s1/fC27H24NO5/q-1 4EF9CFF511E3E7AA