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PENTAMETHYL-6-HYDROXYCHROMAN, 2,2,5,7,8-(RG) 标准品
Acetyl L-Carnitine Hydrochloride
Degradation Calibration Mixture - 508 VARIED in t-Butylmethyl ether
Deferasirox
2,2‘,4,5‘,6-五溴联苯 标准品
(1S,4R)-4-(2-Amino-6-chloro-9H-purin-9-yl)-2-cyclopentene-1-carboxylate
甲苯:正己烷(1:1)中20种有机氯混标(适用:EPA508/525/625/8081/8270)
毒杀芬溶液,1000ppm
双酰草胺(卡草胺) BePure-20949
乙腈中赤霉素