InChI=1S/C15H22N2O5/c1-21-11-9-10(13(19)15(22-2)14(11)20)5-6-12(18)17-8-4-3-7-16/h5-6,9,19-20H,3-4,7-8,16H2,1-2H3,(H,17,18)