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2,3,4,6-四氯苯酚
A0404798 黑曲霉 CAS号544-35-4
酮洛芬 标准品
磷酸 标准品
贝母素甲 对照品
Dibutyl succinate Solution 100ug/ml in Acetonitrile
MCPA-2-ethylhexyl ester,10ng/ul 标准品
2.4.5-Trichlorobiphenyl (无证书)
甲基吡氟禾草灵 BePure-22941
(3R,4S,5R,6S)-1-Aza-4-hydroxy-5-hydroxymethyl-6-isopropyl-3-methyl-7-oxabicycl[3.3.0]octan-2-one