InChI=1/C15H23N3O4/c1-15(2,3)16-14(19)10-17(4)9-11-6-7-13(22-5)12(8-11)18(20)21/h6-8H,9-10H2,1-5H3,(H,16,19)/p+1/fC15H24N3O4/h16-17H/q+1 76939CA920176FCF