4-(4-Oxo-2-(phenoxymethyl)-3(4H)-quinazolinyl)benzoic acid compd. with piperazine (2:1) Benzoic acid, 4-(4-oxo-2-(phenoxymethyl)-3(4H)-quinazolinyl)-, compd. with piperazine (2:1) DH6137000 Piperazine 1,4-bis(4-(4-oxo-2-(phenoxymethyl)-3(4H)-quinazolinyl)benzoate)