InChI=1/C20H17NO4/c1-12-7-13(2)9-15(8-12)19-21-16(20(22)25-19)10-14-3-4-17-18(11-14)24-6-5-23-17/h3-4,7-11H,5-6H2,1-2H3/b16-10-	6A6FCA29DD1CE91A