InChI=1/C20H19NO5/c1-4-15-19(12(3)22)11(2)21-20(15)16(23)10-25-14-7-5-13-6-8-18(24)26-17(13)9-14/h5-9,21H,4,10H2,1-3H3 A99A112F4BF65D2E