InChI=1S/C16H19N3O5/c1-8-5-6-9(12(20)18-14(22)23)10(7-8)11-17-13(21)16(4,19-11)15(2,3)24/h5-7,24H,1-4H3,(H,18,20)(H,22,23)(H,17,19,21)