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PCB No 4 标准品
PUNYW25676446 4-[[2-(2,4-Dichlorophenyl)-4-propyl-1,3-dioxolan-2-yl]Methyl]-4H-1,2,4-triazole
杀螟丹盐酸盐 BePure-26919
Flufenacet ESA sodium salt
Thiencarbazone-methyl(有证书)
9-Anthracenylmethyl Methanesulfonothioate
NO.3 FUEL OIL, 1X1ML, HEXANE 50,000UG/ML 标准品
70042, Superphosphate (various parameter s) 标准品
甲醇中灭菌丹
甲醇中异氯磷