英语语法分析

The main volatile chemical components of RPR are(Z, Z)-9,12-octadecadienoic acid, n-hexadecanoic acid and 2-hydroxy-benzaldehyde.

赤芍主要挥发成分为（Z, Z）-9, 12-十八碳二烯酸，正十六碳酸和2-羟基苯甲醛。

M-chlorocresol or 3-hydroxy-4-chlorophenol on treatment with p-nitrobenzoyl chloride was prepared and conyerted into substituted p-nitrobezyl ketone.

制备了用对硝基苯甲酰氯处理的间氯甲酚或3-羟基-4-氯苯酚，并转化为取代的对硝基苯甲酮。

They contain one or more functional group such as amide, hydroxy, or carboxy.

它们含有一个或多个功能团如：氨基、羟基、羧基。