但盐和几十种含有钠的化合物——盐里的一种元素，与高血压有关——在食品杂货店里从这一头到另一头的加工食品里无所不在。
But salt and dozens of compounds containing sodium - the element in salt linked to hypertension - have become omnipresent in processed foods from one end of the grocery store to the other.
THP盐是一种以低毒、无污染的具有羟甲基磷结构的化合物。
THP salt is a nontoxic phosphor compound without environment pollution.
本发明涉及通式（1）化合物及药学上可以接受的盐，主要提出一种4”取 代的13-环氮杂内酯类的衍生物。
The invention relates to compounds of a general formula (1) and pharmaceutically acceptable salts, and mainly discloses 4'-substituted 13-cyclo-aza-lactone derivatives.
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