InChI=1S/C15H19N3O4/c1-8(19)13(16)14(20)18-12(15(21)22)6-9-7-17-11-5-3-2-4-10(9)11/h2-5,7-8,12-13,17,19H,6,16H2,1H3,(H,18,20)(H,21,22)/t8-,12+,13+/m1/s1