InChI=1/C23H22N2O4/c1-15-12-18(13-20-22(15)29-25-23(20)28-3)19(6-4-5-7-21(26)27-2)17-10-8-16(14-24)9-11-17/h6,8-13H,4-5,7H2,1-3H3/b19-6-	759E03ABCF7811B7