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2.3-Dibromopropionic acid Solution 2000ug/ml in t-Butylmethyl ether
雌酮
erythro-2-Methyl-3-methoxy-4-phenylbutyric Acid Sodium Salt Standard
ALLOSE, D-(+)-(RG) 标准品
正己烷中顺式-氯菊酯溶液,100μg/mL 广电计量
胆木
1,2,4,5-四甲基苯
C3 Phenanthrene Kit (without 0458.17: 8 samples, 9 compounds)
苯线磷 标准品
Diphenyl-2,2′,4,4′,6,6′-d6-amine 标准品