InChI=1S/C17H19NO5/c19-13-5-7-17(23,8-6-13)9-10-18-16(22)4-2-12-1-3-14(20)15(21)11-12/h1,3,5-8,11,20-21,23H,2,4,9-10H2,(H,18,22)