己酸酐,Hexanoic anhydride;97%
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左旋多巴,3,4-Dihydroxy-L-phenylalanine [L-DOPA];certified reference material, TraceCERT® -
乙二醇,Ethylene glycol [EG];spectrophotometric grade, ≥99% -
氢氧化钠,Sodium hydroxide;puriss., meets analytical specification of Ph. Eur., BP, NF, E524, 98-100.5%, pellets -
苯并三唑-d4,Benzotriazole-d4 -
丙酮酸,Pyruvic acid;98% -
氯乙酸乙酯,Ethyl chloroacetate;99%
