An uncommon class of organic esters are the orthoesters.

一种不常见的有机酯类是正构脂类。

Furoic acid esters are important aroma substances.

糠酸酯是一类重要的香味物质。

The methanol reacts with the fatty acids to form esters.

甲醇和脂肪酸发生反应形成酯。

Carboxylic acid esters are important chemical raw materials.

羧酸酯是重要的化工原料。

N-oxides of heterocyclic esters, amides, thioesters, and ketones.

杂环酯，酰胺，硫代酸酯和酮的N-氧化物。