Quinazoline derivatives are a class of compounds with preferable bioactivities. In this paper, structures of several quinazolines were studied by NMR ,IR and UV spectrum, which provide a reference for structural studies of these kinds of compounds.%喹唑啉类化合物是一类具有较好生物活性的化合物。对其结构进行了核磁、红外、紫外波谱研究,为更好地研究该类化合物的结构提供了参考。
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