InChI=1S/C17H19NO5/c19-13-4-1-12(2-5-13)3-6-16(22)18-11-15(21)17(23)9-7-14(20)8-10-17/h1-2,4-5,7-10,15,19,21,23H,3,6,11H2,(H,18,22)