InChI=1/C28H29NO4/c1-17-15-28(2,3)29-21-13-12-20-25-22(31-5)10-7-11-23(25)33-27(26(20)24(17)21)18-8-6-9-19(14-18)32-16-30-4/h6-15,27,29H,16H2,1-5H3/t27-/m0/s1 EF4A9058CCFB148D