申请人:MALLINCKRODT VETERINARY, INC.
公开号:EP0312353A2
公开(公告)日:1989-04-19
The present invention is directed to compounds for administration to animals as anabolic agents to increase growth rate having the formula (I)
wherein R₁ is hydrogen, or a lower alkyl; R₂ is hydrogen, or an alkyl; R₃ is keto, hydroxyl, ketal, or an ester; and R₄ is hydrogen, lower alkyl, amino, or hydroxyl.
Such compounds are relatively non-hormonal and possess little anti-microbial activity.
本发明涉及作为同化制剂用于动物以提高生长速度的化合物,其式为(I)
其中 R₁ 是氢或低级烷基;R₂ 是氢或烷基;R₃ 是酮、羟基、缩酮或酯;R₄ 是氢、低级烷基、氨基或羟基。
这类化合物相对来说不含激素,而且几乎不具有抗微生物活性。