InChI=1/C14H16N2O3/c1-9(2)8-19-11-6-4-10(5-7-11)14(3)12(17)15-13(18)16-14/h4-7H,1,8H2,2-3H3,(H2,15,16,17,18)/t14-/m1/s1/f/h15-16H 760EA7C95C20F5CF