多巴胺盐酸盐 [盐酸多巴胺]，Dopamine hydrochloride；Pharmaceutical Secondary Standard; Certified Reference Material
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碳酸二乙酯，Diethyl carbonate [DEC]；99% -
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四甲基乙二胺，N,N,N′,N′-Tetramethylethylenediamine [TEMED, TMEDA]；≥99.5%, purified by redistillation
