第二种渠道是教科书市场，虽然这个层次可能不太适合本科生，我们看到它被用在研究生的课程当中，作为间接的阅读材料。

The second channel is the textbook market. Although the level is probably not appropriate for undergraduates, we see it being used in graduate courses, perhaps as collateral reading.

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对二种不同重排法合成萘普生进行了比较，其中，氧化锌催化重排法收率高，醋酸钾催化重排收率中等。

Two synthetic methods of dl-naproxen via 1. 2-Aryl rearrangement were compared. Naproxen was obtained in high yield when ZnO was used as catalyst and in middle yield when KOAC was used.

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