Allolithocholic acid 是一种可以在正常血清和粪便中发现的类固醇酸。Allolithocholic acid 促进脂肪和甾醇在肠道和肝脏的排泄、吸收和运输。

Tuftsin diacetate, a tetrapeptide, is a macrophage/microglial activator. Tuftsin is a tetrapeptide, Thr-Lys-Pro-Arg, which resides in the Fc-domain of the heavy chain of immunoglobulin G. Tuftsin possesses a broad spectrum of activities related primarily to the immune system function and exerts on phagocytic cells, notably on macrophages.

H-Tyr(3-I)-OH 是酪氨酸羟化酶 (Ki = 0.39 M) 的抑制剂，也是甲状腺激素合成的中间体。