The determination of the absolute configuration of chiral molecules is an important issue in organic chemistry.

手性分子绝对构型的确定是一个极其重要且长期存在的问题。

To have a comprehensive understanding of natural products, it is important to determine the absolute configuration of natural products.

对天然产物绝对构型的确定是对天然产物进行全面认识的重要过程。