InChI=1/C15H18N2O3/c1-10(18)9-16-14-7-11(8-15(19)20-2)17-13-6-4-3-5-12(13)14/h3-7,10,18H,8-9H2,1-2H3,(H,16,17)/p+1/t10-/m0/s1/fC15H19N2O3/h16-17H/q+1 D572E6CA23CD7CB1