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2-甲基噻唑-5-羧酸乙酯
三辛基膦
刻度量筒,高型,500:5 ml,PP材质,蚀刻刻度
N,N-Dimethylethylenediamine
Grey-blue rubber stopper, ? bottom 8.0 mm, ? top 12.0 mm, length 20 mm Pack = 50 pcs.
10ml PE-HD螺纹盖样品罐
维生素A酸
HPLC级石油醚30-60
2-(6-甲氧基吡啶) 环三醇硼酸锂盐
CHROMATOGRAPHIC-COLUMNS, ST-STOPCOCK W. SOLID PLUG, FUSED-IN SINTERED GL., DISC P0, 20 X 600 MM,