A pharmaceutically-active compound of the formula
in which R¹ is C₁₋₄ alkylthio, C₁₋₄ alkylsulphinyl or C₁₋₄ alkylsulphonyl, R² is C₁₋₄ alkyl, R³ is C₁₋₄ alkyl or C₂₋₄ alkenyl, and X is (i) -(CH₂)nN(R⁴)₂ where each R⁴ independently is C₁₋₄ alkyl, C₂₋₄ alkenyl or optionally substituted C₆H₅CH₂-, and n is 1, 2 or 3, or (ii) a 5- to 8-membered alicyclic group containing one or two nitrogen atoms and directly attached to the amido nitrogen or attached by a C₁₋₃ alkylene chain; and salts thereof.
一种药物活性化合物,其式如下
其中 R¹ 是 C₁₋₄ 烷
硫基、C₁₋₄ 烷基亚磺酰基或 C₁₋₄ 烷基磺酰基,R² 是 C₁₋₄ 烷基,R³ 是 C₁₋₄ 烷基或 C₂₋₄ 烯基,X 是 (i) -(CH₂)nN(R⁴)₂ 其中每个 R⁴ 独立地是 C₁₋₄ 烷基、C₂₋₄烯基或任选取代的 C₆H₅CH₂-,且 n 为 1、2 或 3,或 (ii) 包含一个或两个氮原子并直接连接至
氨基氮或通过 C₁₋₃亚烷基链连接的 5 至 8 元脂环基团;及其盐类。