InChI=1/C18H24N2O4/c1-12-5-6-15(13(2)9-12)24-11-14(21)10-20-16(22)18(19-17(20)23)7-3-4-8-18/h5-6,9,14,21H,3-4,7-8,10-11H2,1-2H3,(H,19,23)/t14-/m0/s1/f/h19H B2AF1B03E266B284