InChI=1/C20H18N2O5/c1-12-15(10-13-8-9-17(26-2)18(11-13)27-3)20(25)22(21-12)19(24)14-6-4-5-7-16(14)23/h4-11,23H,1-3H3/b15-10+	B3A0ADDA0EB75157