InChI=1S/C20H25NO5/c1-24-17-7-4-15(12-16(17)22)10-11-21-20(23)9-6-14-5-8-18(25-2)19(13-14)26-3/h4-5,7-8,12-13,22H,6,9-11H2,1-3H3,(H,21,23)