Muramyl peptide derivatives of the formula :
 wherein "Ala" is
 "isoGln" is
 R¹ is R₃O- or R₃S-[R₃ is
 (k is an integer from 8 to 12; q is an integer from 10 to 22) or R₃ is
 (m is an integer from 11 to 17; n is an integer from 11 to 17)]; and R₂ is hydrogen atom or -CO-(CH₂)p-CH₃ (p is an integer from 8 to 22);
 which act on in vivo immunomechanism of human beings and livestock (in particular cells relevant immue responses) and are useful as immunoregulating agents.  
                            式中的 Muramyl 肽衍
生物:
 其中 "Ala "是
 "异谷
氨酸 "是
 R¹ 是 R₃O- 或 R₃S-[R₃ 是
 (k 是 8 至 12 的整数;q 是 10 至 22 的整数)或 R₃ 是
 (m 是 11 至 17 的整数;n 是 11 至 17 的整数)];且 R₂ 是氢原子或 -CO-(CH₂)p-CH₃ (p 是 8 至 22 的整数);
 它们对人和牲畜的体内免疫机制(特别是与免疫反应相关的细胞)起作用,可用作免疫调节剂。