InChI=1/C14H13N3O5/c1-8-4-3-5-11(12(8)17(20)21)14(19)16-15-13(18)10-6-7-22-9(10)2/h3-7H,1-2H3,(H,15,18)(H,16,19)/f/h15-16H 2CC0F400AFE7E110