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Prothioconazole
1-(2-Cyclohexylethyl)-3-(2-methoxyphenylacetyl)indole
农残混标N
PCB No. 173,neat 标准品
PUNYW26565109 Indisetron exo-Isomer
麦角日亭宁 Ergocristinine - 25 ug/mL - 干态标准品 - 5 mL 标准品
Diphenylamine
CUST. STANDARD CKW + BTEX 200UG/ML IN ME THANOL, 1ML 标准品
糙米粉中Pb、Cd、As成分分析标准物质
2,2',4,5'-Tetrabromodiphenyl ether