有几个提案州议会正在讨论中。Several proposals are under consideration by the state assembly.他们的会谈预计会集中讨论军备控制问题。Their talks are expected to focus on arms control.查看正在讨论的这段文字前面的信息。Look at the information that precedes the paragraph in q...
Levocetirizine Dihydrochloride was prepared from benzoyl chloride by acidylation, hydrogenation, cyclization with an overall yield of 8.05 %.以苯甲酰氯为原料,经酰化, 还原, 环合等反应合成左旋西替利嗪盐酸盐,反应总收率为8.05%....