InChI=1/C27H25NO4/c28-19(16-26(29)30)14-15-20(18-8-2-1-3-9-18)27(31)32-17-25-23-12-6-4-10-21(23)22-11-5-7-13-24(22)25/h1-13,15,19,25H,14,16-17,28H2,(H,29,30)/b20-15-/t19-/m0/s1/f/h28H F5B0B1E292DBEF4B