对愈疮木酚和乙醛酸缩合—氧化合成香兰素路线进行了中等规模的研究。

The manufacture of vanillin from guaiacol and glyoxylic acid was investigated in middle scale production.

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对愈疮木酚和乙醛酸缩合—氧化合成香兰素路线进行了中等规模的研究。

The manufacture of vanillin from guaiacol and glyoxylic acid was investigated in middle scale production.

youdao