一般描述
This substance is a primary reference substance with assigned absolute purity (considering chromatographic purity, water, residual solvents, inorganic impurities). The exact value can be found on the certificate. Produced by PhytoLab GmbH & Co. KG
Sigma-Aldrich西格瑪奧德里奇(上海)貿(mào)易有限公司
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