InChI=1/C14H15N3O2/c1-19-11-6-4-10(5-7-11)14(18)15-13-8-12(16-17-13)9-2-3-9/h4-9H,2-3H2,1H3,(H2,15,16,17,18)/f/h15-16H 9268188270B7D0A7