发明公开
EP0134054A1 Tylosin derivatives, their preparation and pharmaceutical compositions containing them 失效
泰乐菌素的衍生物,它们的制备和含有它们的药物组合物。

Tylosin derivatives, their preparation and pharmaceutical compositions containing them
摘要:
A tylosin derivative represented by the general formula
wherein R 4 represents a hydrogen atom or a hydroxyl group.
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