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PUNYW10101136 Simvastatin Ethyl Ester
GPA2261 GAS PHASE PACKED 3COL SET W/TEST
二硫化碳中4种氯苯类混标(GBZ/T300.81-2017HJ/T66-2001溶剂解吸-气相色谱法)
Silica gel 60 H for thin-layer chromatography
250ml棕色分液漏斗(玻璃顶塞和玻璃活塞)
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3,3',5,5'-四溴- 2,2'-联噻吩
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AUTOMATIC PIPETTE - ATTACHMENT, CONE ST 29/32, 3 ML
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