InChI=1/C20H19NO5/c1-3-25-20(24)19-18(17-15(23)10-7-11-16(17)26-19)21(13(2)22)12-14-8-5-4-6-9-14/h4-11,23H,3,12H2,1-2H3 FF4A97BE483E298F