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发明授权
US4494977A Quaternary ammonium salts of .alpha.-1,4-thiazine alkanephosphonic acids 失效
α-1,4-噻嗪烷膦酸的季铵盐

Quaternary ammonium salts of .alpha.-1,4-thiazine alkanephosphonic acids
摘要：
This invention relates to quaternary ammonium salts of .alpha.-1,4-thiazine alkanephosphonic acids; and to the preparation and uses thereof.
摘要（中）：

本发明涉及α-1,4-噻嗪烷膦酸的季铵盐; 以及其制备和用途。

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