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2-氰基丙酸乙酯
BDS-HYPERSIL-C18 5UM 200X3MM COLUMN
HV-FLAT FLANGES, FIRE POLISHED, WITH GROOVE FOR SEALS, 65 MM
MAGNETIC STIRRING BARS, (PTFE), OVAL, FOR ROUND BOTTOM FLASKS, O.D. 12 MM, LENGTH 25 MM
25:0.05mL AS级透明直式PTFE活塞滴定管
蒸发皿, PTFE材质,25 ml,坩锅形,无流嘴
2-噻吩乙胺
(S)-(+)-2,2'-双(二苯基膦基)-5,5'-二碘-1,1'-联萘
氧化锗
传输管线, 80 cm, 镍