InChI=1/C13H15N3O4/c17-13-6-8-5-12(16(18)19)11(7-10(8)15-13)14-9-1-3-20-4-2-9/h5,7,9,14H,1-4,6H2,(H,15,17)/f/h15H 3D4C1339A5DF2AED