InChI=1/C19H24N2O4/c1-14(22)21-16-4-2-15(3-5-16)10-11-20-12-18(24)13-25-19-8-6-17(23)7-9-19/h2-9,18,20,23-24H,10-13H2,1H3,(H,21,22)/p+1/t18-/m0/s1/fC19H25N2O4/h20-21H/q+1 20B96F32B2C015AE