| 4-(4-oxo-2-phenyl-3(4h)-quinazolinyl)-benzoic aci compd. with piperazine (2 |
| 4-(4-oxo-2-phenyl-3(4h)-quinazolinyl)benzoic acid compd. with piperazine (2:1 |
| piperazine 1,4-bis(4-(4-oxo-2-phenyl-3(4h)-quinazolinyl)benzoate) |
| 4-(4-oxo-2-phenyl-3(4h)-quinazolinyl)-benzoic acicompd. with piperazine (2:1) |
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