InChI=1/C20H18N2O5/c1-25-16-8-11(9-17(26-2)20(16)27-3)13-5-4-12-18(21-13)15(23)10-14(19(12)24)22-6-7-22/h4-5,8-10H,6-7H2,1-3H3	E6BA15D202B4D9FF