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US07790906B2 Method for the purification of betaines 有权
甜菜碱的纯化方法

Method for the purification of betaines
摘要:
The invention relates to a method for purification of synthetically-produced compounds, comprising a betaine structure in the molecule, for example, indocyan green, characterized in that reaction by-products, starting materials and/or other impurities such as NaI used during production are separated by extraction.
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