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5-(5-溴-3-吡啶基)-1H-四唑
FILTER PUMPS, MADE OF BRASS, NICKEL-PLATED, WITH SAFTY VALVE AND SCREW-THREAD 1/2''
AUTOMATIC PIPETTE - ATTACHMENT, THREAD GL 45, 100 ML
AOS 12122 流线型防护眼镜(可更换镜片,防雾)
TARGET 注射器 固定 聚四氟乙烯 针尖10UL 2"/51MM 26S PT D
KD flask 250ml, Snyder column 3-ball 255mm, conc tube 10ml insul,' Hopkins condenser 260mm w tube f
万通配件
气相色谱柱,TG-1301MS 15m x 0.25mm x 0.25μm
转子, Swing out, 16x50ml, ID
1100 子弹型耳塞