冷冻法制备邻氨基苯甲酸甲酯的研究
A Study of the Preparation of Methyl O-aminobenzoate by the Cooling Method
采用冷冻法代替传统的有机溶剂萃取法的新工艺，制备香料邻氨基苯甲酸甲酯。
The perfume methyl o-aminobenzoate was prepared by the cooling method in-stead of the classical method , organic solvent extraction .
邻氨基苯甲酸甲酯邻氨基苯甲酸甲酯邻氨基苯甲酸甲酯