InChI=1/C14H17N3O2/c1-3-15-13(11-7-5-4-6-8-11)14(18)16-12-9-10(2)19-17-12/h4-9,13,15H,3H2,1-2H3,(H,16,17,18)/t13-/m0/s1/f/h16H D90B38B31E065D81