InChI=1/C12H12N2O4/c15-11(9-5-2-6-17-9)13-7-3-1-4-8-10(7)18-12(16)14-8/h1,3-4,9H,2,5-6H2,(H,13,15)(H,14,16)/t9-/m0/s1/f/h13-14H	5A023581F5AE2CDC