InChI=1S/C16H19N3O4/c17-12(5-9-7-18-13-4-2-1-3-11(9)13)15(21)19-8-10(20)6-14(19)16(22)23/h1-4,7,10,12,14,18,20H,5-6,8,17H2,(H,22,23)/t10-,12+,14+/m1/s1