(Q2002)

Statements

CN1C(=O)C2=C(NC1=O)N=CN2
0 references
InChI=1S/C6H6N4O2/c1-10-5(11)3-4(8-2-7-3)9-6(10)12/h2H,1H3,(H,7,8)(H,9,12)