InChI=1/C12H17N3O4/c16-7-12(3-1-2-4-12)15-10(18)6-8-5-9(17)14-11(19)13-8/h5,16H,1-4,6-7H2,(H,15,18)(H2,13,14,17,19)/f/h13-15H 7EE7F509377332C8