| 4-oxo-2-phenyl-alpha-(phenylmethyl)-3(4h)-quinazolineacetic aci compd. with |
| piperazine (2:1) |
| alpha-benzyl-4-oxo-2-phenyl-3(4h)-quinazineacetic acid piperazine (salt) (2:1 |
| piperazine, bis(4-oxo-2-phenyl-alpha-(phenylmethyl)-3(4h)-quinazolineacetate) |
| 4-oxo-2-phenyl-alpha-(phenylmethyl)-3(4h)-quinazolineacetic aci compd. with piperazine (2:1) |
