InChI=1/C20H15NO6/c1-11-16(27-20(23)13-4-5-13)9-8-15-18(22)17(26-19(11)15)10-12-2-6-14(7-3-12)21(24)25/h2-3,6-10,13H,4-5H2,1H3/b17-10-	185367B9D49D0F9B