2-Carboxyphenol-d4 is the deuterium labeled 2-Carboxyphenol. 2-Carboxyphenol is a plant hormone and mediates host responses against microbial pathogens.

Diclobutrazol, a systemic fungicide, is highly active against rusts, powdery mildews, and other fungal phytopathogens. Diclobutrazol can be used as a pesticide to control of various crop diseases.

Monoethyl fumarate is the monoethyl ester form of fumaric acid. Monoethyl fumarate is a kind of effective preservative and polymerization agent for macromolecular material.

N4-Acetylcytidine is an endogenous metabolite.

2-hydroxymethyl benzoic acid is an endogenous metabolite.

Meconine is an endogenous metabolite.

1-Phenylpropane-1,2-dione, isolated from young Ephedra sinica Stapf (Ephedraceae), is biosynthetic precursors of the ephedrine alkaloids.

Cyclohexaneacetic acid is an endogenous metabolite.

Methyl p-tert-butylphenylacetate is an endogenous metabolite.

2-Phenylacetamide is an endogenous metabolite.

3,5,6-Trichloro-2-pyridinol (TCPy) is the main degradation product of the herbicide Triclopyr and the insecticides Chlorpyrifos and Chlorpyrifos-methyl.

(Ethoxymethyl)benzene is an endogenous metabolite.

Mesitaldehyde is an endogenous metabolite.

Carveol is an endogenous metabolite.

L-Cysteinesulfinic acid monohydrate is a potent agonist at several rat metabotropic glutamate receptors (mGluRs) with pEC50s of 3.92, 4.6, 3.9, 2.7, 4.0, and 3.94 for mGluR1, mGluR5, mGluR2, mGluR4, mGluR6, and mGluR8, respectively.

2-Mercaptobenzothiazole is an endogenous metabolite.

4-Methylbiphenyl is an endogenous metabolite.

5-Fluoroorotic is a selective agent in yeast molecular genetics. 5-Fluoroorotic possesses a well-expressed anticandidal effect close to that of 5-fluorocytosine, as well as moderate antidermatophytal effects.

D-arginine (H-D-Arg-OH) is the D-isomer of arginine. Arginine is an α-amino acid that is used in the biosynthesis of proteins. D-Arginine is an inactive form of L-arginine.

L-Cysteine hydrochloride hydrate is a conditionally essential amino acid, which acts as a precursor for biologically active molecules such as hydrogen sulphide (H2S), glutathione and taurine. L-Cysteine hydrochloride hydrate suppresses ghrelin and reduces appetite in rodents and humans.

2,4-Diisopropylphenol is one of the most widely accepted chemical agent used for induction of anesthesia.

Acivicin hydrochloride (AT-125 hydrochloride), a natural product produced by Streptomyces sviceus, is a γ?glutamyl transpeptidase (GGT) inhibitor. Acivicin hydrochloride can across the blood-brain barrier and has anti-cancer, anti-parasitic properties.

4,5-Dichlorocatechol is a substrate of the broad-spectrum chlorocatechol 1,2-dioxygenase of pseudomonas chlororaphis RW71. The Ki values for 4,5-dichlorocatechol is 30 nM for the dioxygenase of the Chlorobenzoate-degrading strain Pseudomonas putida AC27 and 4 nM for the dioxygenase of Acidovorax sp. strain PS14.

4-Amino-L-phenylalanine is an endogenous metabolite.

3-Methyl-2-quinoxalinecarboxylic acid (MQCA), an important N-oxide reductive metabolite of Quinocetone or Olaquindox, potently inhibits the growth of Chang liver cells through S phase arrest of the cell cycle.

Prion Protein 106-126 (human), a peptide fragment of prion, and can induct neuronal apoptosis, antiproteinase K digestion, fiber formation, and mediate the conversion of normal cellular prion protein (PrPc) into pathogenic isoform (PrPSc). Prion Protein 106-126 (human) is generally used as the model to investigate neural degeneration of prion disease.

4-Hydroxybenzyl cyanide is an endogenous metabolite.

4-Ethoxyphenol is an endogenous metabolite.

1,4-Dimethoxybenzene is an endogenous metabolite.

2',4'-Dimethylacetophenone is an endogenous metabolite.