InChI=1/C13H11N3O6/c1-8-9(16(20)21)3-2-4-10(8)22-12(18)7-15-6-5-11(17)14-13(15)19/h2-6H,7H2,1H3,(H,14,17,19)/f/h14H 0DF057ED1581FFC4