InChI=1S/C19H21NO5/c1-24-16-11-14(12-17(25-2)19(16)23)5-8-18(22)20-10-9-13-3-6-15(21)7-4-13/h3-8,11-12,21,23H,9-10H2,1-2H3,(H,20,22)