InChI=1S/C22H27NO5/c1-4-26-18-8-7-15(12-20(18)28-6-3)22(25)21-16-13-19(27-5-2)17(24)11-14(16)9-10-23-21/h7-8,11-13,21,23-24H,4-6,9-10H2,1-3H3