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N-Carbobenzoxy-L-tryptophan-p-nitropheny ester (无证书)
2.4-D isooctyl ester Solution 100ug/ml in MTBE
偶氮二甲酰胺-15N4
三环唑 BePure-26291XM
Benzo[g,h,i]perylene(1,12-Benzoperylene) 标准品
甲苯噻嗪盐酸盐 标准品
ICP-MS Verification Standards, Matrix 5% HNO3(有证书)
Dimethyl phthalate Solution 100ug/ml in Methanol
异恶隆 BePure-23665
Trichloroethylene-d 标准品