InChI=1S/C14H19N3O5/c15-10(14(21)22)5-6-12(19)17-13(20)11(16)7-8-1-3-9(18)4-2-8/h1-4,10-11,18H,5-7,15-16H2,(H,21,22)(H,17,19,20)