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有机化学一、填充题(共10分,每个空框1分),写出下列合成步骤空框中的化学结构式或反应条件(每个空框,可能有几种试剂):
ORGANIC CHEMISTRY 1. Fill in the questions (10 points for each empty box) and write down the chemical structure or reaction conditions in the box below (there may be several reagents per box):