InChI=1/C14H15N5O2/c1-3-8-19-12-10(13(20)18(2)14(19)21)16-11(17-12)9-4-6-15-7-5-9/h4-7H,3,8H2,1-2H3,(H,16,17)/f/h16H 4DE526035C071FEA