中间体 intermediary; intermediate product; intermediates; intermedium; midbody; middle ware; pivotal intermediate 活泼区域, 活性中心, 活泼中心 active regions ..
双语例句
1
Objective: 4-hydroxycoumarin is a pivotalintermediate in synthesis of other 4-hydroxycoumarin derivatives. This article aims to investigate the optimal condition in synthesis of 4-hydroxycoumarin.