InChI=1/C19H18N4O4/c1-19(17(25)20-18(26)21-19)11-23-16(24)14-8-7-13(9-15(14)22-23)27-10-12-5-3-2-4-6-12/h2-9,22H,10-11H2,1H3,(H2,20,21,25,26)/t19-/m0/s1/f/h20-21H	2343A479BEF1C0D0