以下为句子列表：
英文: Synthesis methods for p-hydroxybenzaldehyde are reviewed and their advantages and disadvantages are briefly compared, to conclude that direct p-cresol oxygenation is a good method, with calm reaction, simple operation, high yield, high purity and little t
中文: 叙述了对羟基苯甲醛的各种合成方法，并对各种方法的优缺点作了简要对比，认为对甲酚直接催化氧化法反应平稳、操作简单，收率和纯度高，三废量少，是一种很有前途的合成方法。
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