boletic acid的用法和樣例：
例句
- In this paper, the method of the synthesis of fumaric acid modified rosin was studied.
富馬松香由富馬酸對松香經過加成改性而成。 - By using concentrated chlorhydric acid as catalyst,one-step reaction takes place between maleic anhydride and methanol and obtains dimethyl fumarate.
馬來酸酐與甲醇在濃鹽酸催化作用下，經一步反應生成富馬酸二甲酯。
