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Acetanilide
First Standard® 己烯雌酚-D8
5% HNO3 (Acid Reagent Blank)
甲醇中氟甲喹
Chlorinated Herbcides 8150/515.1-Solutions
Mycophenolic acid
Perfluorododecanoic acid
n-Tetracosane Solution 2000ug/ml in Carbon disulfide
EMODIN(RG) 标准品
氯霉素标准品