PRESSDROPTM:0.5%timololmaleateophthalmicsolution ﹒ 1%sodiumhyalur onate,specification:5mL ∶ 25mg,batchNo ﹒ 20020605,ShandongC ﹒ P ﹒ FredaPharmaceuticalCo ﹒ Ltd ﹒.Thenadd100 μ Lofthe6%per chloric‐methanolsolution,agitatethissolutionfor1min ﹒ Centrifugeat40 ......