| 摘要 |
Quinazoline derivs. of formula (I) and their acid addn. salts and copper complexes are new. - In (I) X = N or CH; Y = O or NH; R1 and R2 = H, 1-6C alkyl, 1-6C alkoxy, halogen or CF3; R3 = opt. substd. 2-pyridyl; R4 = H, 1-6C alkyl (opt. substd. by halogen, 1-6C alkoxy or phenyl), cycloalkyl or opt. substd. aryl. - Specifically X = N. Y = NH. R3 = 2-pyridyl. R4 = CF3 or pyridyl.
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