InChI=1/C21H17NO5/c1-21(2)20(25)15(11-22-13-5-7-14(23)8-6-13)18-16(27-21)9-3-12-4-10-17(24)26-19(12)18/h3-11,22-23H,1-2H3/b15-11-	69E7BE86742ACBA3