InChI=1S/C25H31NO5/c1-4-6-7-8-9-11-21(28)22-20-15-17-14-18(10-5-2)26(12-13-27)16-19(17)23(29)25(20,3)31-24(22)30/h5,10,14-16,27H,4,6-9,11-13H2,1-3H3/b10-5-