InChI=1S/C16H31N3O4/c1-7-10(6)11(17)14(20)18-12(8(2)3)15(21)19-13(9(4)5)16(22)23/h8-13H,7,17H2,1-6H3,(H,18,20)(H,19,21)(H,22,23)