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Nalidixic Acid
PMI Semi-Volatiles Set 标准品
Dihydroxyethyl ether tetrabromo-4.4'-sulfonyldiphenol
茶叶中的o,p'-滴滴涕质控样
(22RS)-30-Bishomohopene, isomer mix
First Standard® 咯喹酮
氟草胺(乙丁氟灵) BePure-20541
Peak Tailing Factor Standard, 标准品
Rosolic acid (无证书)
Phenyltin chlorides Kit (neat, 1987.6, 1986.12, 1985.18)