InChI=1/C13H13N5O3/c14-12-16-10(17-13(15)18-12)6-21-11(19)7-1-2-8-4-20-5-9(8)3-7/h1-3H,4-6H2,(H4,14,15,16,17,18)/f/h14-15H2 395EAC450B3736F6