LI Yongli, CHEN Liming, XUE Minjie, HAO Yuhong, LI Jie. Deremination of Hydrazine and Acetohydrazide in Amlodipine Besylate by High Performance Liquid Chromatography with Chemical DerivatizationJ. PHYSICAL TESTING AND CHEMICAL ANALYSIS PART B:CHEMICAL ANALYSIS, 2025, 61(9): 1062-1065. DOI: 10.11973/lhjy-hx240603