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Racemethionine

A preparation of methionine that includes a mixture of D-methionine and L-methionine isomers.

Sodium phosphate, dibasic, unspecified form

XEN-2174

XEN-2174 is a synthetic drug modeled on a peptide from the venom of a cone shell found on Australia's Great Barrier Reef. … XEN-2174 represents a new class of molecules, called the chi conopeptides that selectively inhibit the Norepinephrine Transporter (NET).

Elamipretide

[A274436] Elamipretide is a synthetic tetrapeptide that selectively binds to cardiolipin, a phospholipid in the inner mitochondrial membrane. … [L54036] In September 2025, the U.S.

Perphenazine

An antipsychotic phenothiazine derivative with actions and uses similar to those of chlorpromazine.

Padimate A

Padimate A is an ester derivative of PABA and an ingredient in some sunscreens. … In Europe this chemical was withdrawn in 1989 for unstated reasons and in the US it was never approved for use in sunscreens.

Lithium citrate

Ixazomib

[L51244] It was also investigated in other hematological malignancies as well as other conditions, such as systemic light chain (AL) amyloidosis, graft-versus-host disease, and lupus nephritis. … [A264319] It was later approved by Health Canada on August 3, 2016,[L51239] and by the EMA on November 21, 2016.

Acetyl sulfisoxazole

Sulfisoxazole acetyl is an ester of _sulfisoxazole_, a broad-spectrum sulfanilamide and a synthetic analog of para-aminobenzoic acid (PABA) with antibacterial activity. … This process causes an inhibition of bacterial folic acid synthesis and de novo synthesis of purines and pyrimidines, resulting in cell growth arrest and cell death [L2788].

Doxapram

A central respiratory stimulant with a brief duration of action. (From Martindale, The Extra Pharmocopoeia, 30th ed, p1225)