InChI=1/C15H25N3O4/c1-5-17(6-2)8-7-16(3)11-12-9-13(18(20)21)15(19)14(10-12)22-4/h9-10,19H,5-8,11H2,1-4H3/p+1/fC15H26N3O4/h16H/q+1 7C4CFAC3EE510CC3