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2-苯基-2-(2-吡啶基)乙酰胺
7种阴离子混标,SO4/F/Br/NO3/NO2/PO4/Cl,溶于 H2O
Luster Silica 10μm 100g
N-Boc-D-天冬氨酸 1-苄酯
PTFE Temperature Probe, Thermocouple, Type K, Cable 5M,8 x 300mm, Ferrule L 40
Holder Kit for Cartridges and Guard Columns 保护柱
115V STARTER KIT 1/16IN
LiChroCART 250-4,6,Nucleosil 100 Si 10μm定制柱
氨基核苷嘌呤霉素
LiChroCART 30-4,LiChrospher 60 Si 10μm定制柱