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2,4,5-T-2-METHYLPROPYL ESTER PESTANAL, 2 标准品
4-Amino-3-benzyl-1H-pyrazolo[3,4-d]pyrimidine 1-β-D-Ribofuranosyl 5’-Triphosphate
Diphenhydramine Hydrochloride
10种农药混标(定制)
Extra Dense Lead
尤利沙星溶液, 100ppm
癸氧喹酯 Bepure-21677XG
水质PH
去甲基他达拉非溶液, 100ppm
TCLP Acids/Base Neutrals High Range Mixture VARIED in Methylene chloride