用熔点法、1HNMR和红外光谱分析技术对产物进行了表征。

The melting point equipment, IR and 1h NMR techniques were used to characterize the product.

youdao

用熔点法、1HNMR和红外光谱分析技术对产物进行了表征。

The melting point equipment, IR and 1h NMR techniques were used to characterize the product.

youdao