InChI=1/C14H15N3O2/c1-8-5-12(9(2)19-8)14(18)16-11-3-4-13-10(6-11)7-15-17-13/h3-4,6-8H,5H2,1-2H3,(H,15,17)(H,16,18)/t8-/m1/s1/f/h16-17H 43BA7DE8810B2789