InChI=1/C14H16N2O2/c1-8-4-6-11(7-5-8)13-12(10(3)17)9(2)15-14(18)16-13/h4-7,12-13H,1-3H3,(H,16,18)/t12-,13+/m1/s1/f/h18H C54599130AE7036D