InChI=1/C19H18N2O6/c1-19(2)13-6-4-5-7-14(13)20(3)16(19)10-12(22)11-26-18(23)15-8-9-17(27-15)21(24)25/h4-10H,11H2,1-3H3/b16-10-	E3AD8E5BEE70726D