Methyldopa是一种α2-肾上腺素能 （α2- adrenergic receptors ）激动剂，主要用于高血压治疗，通过在中枢神经系统中转化为α-甲基去甲肾上腺素发挥作用。

Carbidopa Monohydrate is a decarboxylase inhibitor, can be used in combination with levodopa for treatment of Parkinsonism.

Carbidopa is an aromatic-L-amino-acid decarboxylase inhibitor with an IC50 of 29 ± 2 μM.

TES-1025 is a potent and selective human α-amino-β-carboxymuconate-ε-semialdehyde decarboxylase (ACMSD) inhibitor with an IC50 of 13±3 nM.

Eflornithine HCl is a specific, irreversible inhibitor of the enzyme ornithine decarboxylase, is a medication for the treatment of African trypanosomiasis and excessive facial hair growth in women.

4-Bromo-3-hydroxybenzoic acid is a potent inhibitor of histidine decarboxylase (HDC) which inhibits formation of mammal histamine.

Benserazide HCl is a aromatic L-amino acid decarboxylase (AAAD) or DOPA decarboxylase inhibitor.

Chelidamic acid is a pharmaceutical intermediate as well as a cosmetic material due to its anti-inflammatory and whitening effect.

L-Eflornithine is a medication used to treat African trypanosomiasis (sleeping sickness) and excessive hair growth on the face in women. Specifically it is used for the 2nd stage of sleeping sickness caused by T. b. gambiense and may be used with nifurtimox.