InChI=1/C6H6N4O/c11-4-1-7-2-9-6-5(4)8-3-10-6/h2-3,5H,1H2,(H,7,8,9,10)/p+1/t5-/m0/s1/fC6H7N4O/h7,9H/q+1 8D94EF5FC9FACA45