InChI=1S/C13H15N3.C4H4O4/c1-2-4-12-11(3-1)5-6-13(15-12)16-9-7-14-8-10-16;5-3(6)1-2-4(7)8/h1-6,14H,7-10H2;1-2H,(H,5,6)(H,7,8)/b;2-1-