InChI=1/C14H25N3O4/c1-13(2,3)16-12(21)15-10(18)8-17-7-5-6-14(4,9-17)11(19)20/h5-9H2,1-4H3,(H,19,20)(H2,15,16,18,21)/t14-/m1/s1/f/h15-17H 1F3345C69BA43144