发明授权
US5977374A 5-(4-hydroxy-OR 4-acetoxy-benzyl)-3- triphenylmethylthiazolidine-2,4-dione and method for producing same 失效
5-(4-羟基-OR 4-乙酰氧基 - 苄基)-3-三苯基甲基噻唑烷-2,4-二酮及其制备方法

5-(4-hydroxy-OR 4-acetoxy-benzyl)-3-
triphenylmethylthiazolidine-2,4-dione and method for producing same
摘要:
A compound of the formula ##STR1## wherein R.sup.7 is a hydrogen atom or an acetyl group, and process for preparing said compounds.
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