5-25-07-00347 (Beilstein Handbook Reference) 64843-08-9 BRN 0663731 Methanimidamide, N'-(2-cyano-4-oxo-3(4H)-quinazolinyl)-N,N-dimethyl- N'-(2-Cyano-4-oxo-3(4H)-quinazolinyl)-N,N-dimethylmethanimidamide