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p-Methoxyphenylacetonitrile
Poroshell 120 Phenyl-Hexyl 色谱柱
CALCIUM CHLORIDE TUBE, BOROSILICATE-GLASS, WITH PLASTIC COATING
8247CN R95 有机气体防护口罩
Bio-Bond C8 10μm 100g
可溶性淀粉 AR(沪试)
96-well micro test plates V-bottom, PS, non-sterile, 100 pcs
丹酚酸 B
硅胶管
vydac214 TP C4柱