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1,8-Anthracenedicarboxylic acid
VULPINIC ACID(RG) 标准品
Nitrate @ 1000ug/ml in water(有证书)
Nitrogen (NaNO3) @ 100ug/ml in Water
11种青霉素类固体药物混标 BePure-30206-DG
First Standard® 甲醇中甲氨基阿维菌素苯甲酸盐溶液, 100μg/mL
植基单磷酸-二铵盐
Acetamiprid Solution in Acetonitrile
Tris(2.6-dichlorophenyl)phosphate
乙腈中奥沙西泮