InChI=1/C13H15N3O4/c1-2-20-13(17)11(14)5-8-7-15-12-6-9(16(18)19)3-4-10(8)12/h3-4,6-7,11,15H,2,5,14H2,1H3/t11-/m0/s1 6174532F8B670CDD