申请人:SmithKline Instruments, Inc.
公开号:US03989812A1
公开(公告)日:1976-11-02
Novel folic acid derivatives useful for radio-assaying folic acid and its metabolites in biological liquids are prepared from pteroyl-.gamma.-glutamyl-tyrosines by iodination with I.sup.125 or I.sup.131.
从叶酸的代谢物中辐射测定叶酸和其代谢物的新型叶酸衍生物是通过使用I.sup.125或I.sup.131对pteroyl-.gamma.-glutamyl-tyrosine进行碘化制备的。