介绍了以亚甲基蓝为原料，经还原、酰化生成苯甲酰无色亚甲基蓝的方法。

Bengoyl leuco methylene blue is prepared from methylene blue by reduction and acylation.

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介绍了以亚甲基蓝为原料，经还原、酰化生成苯甲酰无色亚甲基蓝的方法。

Bengoyl leuco methylene blue is prepared from methylene blue by reduction and acylation.

youdao