InChI=1/C19H15NO7/c21-14-4-5-15-12(9-14)2-3-13(19(15)24)7-11-1-6-17(27-10-18(22)23)16(8-11)20(25)26/h1,4-9,21H,2-3,10H2,(H,22,23)/p-1/b13-7+/fC19H14NO7/q-1	839978332D2915C2