2,3,4,5-Tetrachlorophenol is a metabolite of the insecticide γ-lindane.1It is toxic to fathead minnows and rainbow trout (LC50s = 0.496 and 0.304 mg/L, respectively, in tank water).2 1.Chadwick, R.W., and Freal, J.J.The identification of five unreported lindane metabolites recovered from rat urineBull. Environ. Contam. Toxicol.7(2)137-146(1972) 2.Holcombe, G.W., Phipps, G.L., Knuth, L., et al.The acute toxicity of selected substituted phenols, benzenes and benzoic acid esters to fathead minnows Pimephales promelasEnviron. Pollut.35(4)367-381(1984)

N-Desmethyl Clomipramine hydrochloride is a primary plasma N-desmethyl Clomipramine metabolite .

Desvaleryl valsartan is a potential impurity found in commercial preparations of the angiotensin II type 1 (AT1) receptor antagonist valsartan. It is a degradation product formed under acidic conditions.

PR-104A is a hypoxia-targeted anticancer agent.

Ono EI-601 is the main metabolite of ONO-5046, the human neutrophil elastase inhibitor .

Glycidamide is a carcinogen and metabolite of acrylamide that induces DNA adduct formation and mutations.

4-Hydroxypentanoate sodium 是 gamma-Valerolactone 的活性代谢物，具有镇静作用。

Dibutyl phosphate (DBUP) 是一种尿液中有机磷酸酯 (OPEs) 的代谢产物，其含量与肌肉减少症风险的增加呈正相关。

1,7-Dimethyluric acid是一种是咖啡因(caffeine)的代谢物，可作为咖啡因摄入的生物标志物，能够在尿液中检测到。