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邻苯二甲酸二(2-甲氧基)酯
2-氰基嘧啶
Chiral 气相色谱柱 Rt-bDEXm 30m 0.25mm ID 0.25um
CLSR 8-425 开口 聚丙烯 绿色 1000
Forceps, length: 115 mm, blunt, straight, stainless steel
AGILENT C18 10UM 25CM X 50MM HPLC COLUMN
SampliQ DVB SPE小柱
U-TUBES, LENGTH: 250 MM, I.D.18 MM
p-Phenoxyphenylacetic Acid
22种农药混标(定制)