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ISOCITRIC ACID LACTONE, DL-(RG) 标准品
草毒死(二丙烯草胺) BePure-20195XM
A0404796 特基拉芽孢杆菌 CAS号7696-12-0
CNET n-butylaldehyde solution, 10μg/ml (as n-butylaldehyde) in acetonitorile
Perkacit?MBTS 标准品
邻仲丁基苯酚 标准品
Monophenyltin-d5 trichloride
(1S,2R)-2-Amino-1-phenyl-1,3-propanediol-13C6 Hydrochloride
GPC标样-聚异丁烯(Mw 2990000)(超高Mw) 标准品
氟尼酸溶液, 100ppm