InChI=1/C14H21N3O4/c1-10(9-16(2)3)8-15-14(18)11-5-6-13(21-4)12(7-11)17(19)20/h5-7,10H,8-9H2,1-4H3,(H,15,18)/p+1/t10-/m1/s1/fC14H22N3O4/h15-16H/q+1 17B01E5A9939D95E