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3-Chloro-2,4,5,6-tetrafluoropyridine, 98% 5ML
无水乳清酸,99%
原甲酸三丁酯,95.0%(GC)
人参皂苷Rb3
银标准溶液,ICP用
Citric acid monohydrate GR for analysis ACS,ISO,Reag. Ph Eur
Phenylselenocyanate, tech., 90% 5ML
N-乙基邻甲苯胺,98.0%(GC&T)
四-O-乙酰基-β-D-呋喃核糖, ≥98.0%
Cyclohexanepropionic acid, 99% 50GR