Benserazide HCl (Ro-44602; Serazide; Ro 4-4602), the hydrochloride salt of Benserazide, is a carbohydrazide-based, peripherally acting inhibitor of aromatic L-amino acid decarboxylase/AADC or DOPA decarboxylase and a medication used in combination with levodopa (madopar) to treat Parkinson’s disease, parkinsonism, and restless leg syndrome.

Eflornithine HCl hydrate (DFMO; MDL71782; RMI71782; α-difluoromethylornithine) is a potent, specific, irreversible inhibitor of the enzyme ornithine decarboxylase.

AZ-33, formerly known as LDHA Inhibitor 33, is a potent and novel LDHA (Lactate dehydrogenase A) inhibitor.

Carbidopa hydrate (Lodosyn) is the hydrated form of Carbidopa, which is an aromatic-L-amino-acid decarboxylase inhibitor with an IC50 of 29 ± 2 μM.