InChI=1S/C9H14N4O3/c1-4(14)7(15)5-2-10-8-6(13-5)9(16)12-3-11-8/h3-5,7,13-15H,2H2,1H3,(H2,10,11,12,16)/t4-,5-,7?/m0/s1