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2-氨基-4-甲基噻唑-5-甲酸乙酯
FLASKS, WITH 2 SIDE NECKS AT AN ANGLE OF 20° (DESTILLATION FLASKS), CENTER NECK/SIDE NECK, NS 45
甲醇中氧化乐果
硅胶管,内径6.0,外径10.0,壁厚2.0 mm
3,5,5-三甲基己醛
FREEZE DRYING AMPOULES, BORO., ROUND BOTTOM, STRAIGHT SIDED, 4 ML, 10 X 170 MM
HCl标准滴定溶液,c(HCl)=0.3mol/L(0.3N)
硅胶60/硅藻土F254 TLC铝薄板
9种农药混标(GB 23200.14-2016 LC组A)
2ml 蓝色拧盖,含PTFE/红色硅胶垫