InChI=1/C13H15N5O/c1-9-7-11(19)17-13(16-9)18-12(14)15-8-10-5-3-2-4-6-10/h2-7H,8H2,1H3,(H4,14,15,16,17,18,19)/f/h14-15,17-18H 4D4F13ADED187FAE