benzoyl造句
(31) Preparation methods of benzoyl cyanate were reviewed. The optimal conditions of synthesis of benzoyl cyanate from benzoyl amine and oxalyl chloride were investigated.
(32) After hydrazinolysis, hydrazide resin (3 ) reacted further with substituted benzoyl chloride obtaining hydrazide resin (4).
(33) A new method for determination of benzoyl brightener by multiplying photometry is first reported.
12