InChI=1/C21H16N2O4/c1-26-17-11-5-8-14(19(17)27-2)12-22-23-20(24)15-9-3-6-13-7-4-10-16(18(13)15)21(23)25/h3-12H,1-2H3/b22-12+	BC46AA88D13011A8