Sigma-Aldrich
Nicardipine for system suitability
尼卡地平 盐酸盐
Oxidronate for radiochemical purity testing
Pirfenidone
吡非尼酮
Pregabalin impurity D
双羟萘酸噻嘧啶杂质D, Pyrantel impurity D
Rhein
大黄酸
Rosuvastatin impurity mixture
Schizandrin
五味子素
Acitretin for impurity A identification
阿维A
Asiaticoside
亚细亚皂甙软膏
丁苯羟酸杂质C, Bufexamac impurity C
卡比多巴杂质混标, Carbidopa impurity mixture
四氟四氟硼酸铜, Copper tetramibi tetrafluoroborate
Donepezil for system suitability
恩替卡韦, Entecavir for system suitability