<unk>  is a small-molecule and non-peptide compound. This is in contrast to GnRH analogues such as leuprorelin and cetrorelix, which are peptides and analogues of GnRH. Other small-molecule and non-peptide orally active GnRH antagonists besides<unk>  include linzagolix, opigolix, relugolix, and sufugolix, although none of these compounds have been introduced for medical use at this time.<unk>  is used as<unk>  sodium, the sodium salt of<unk> . It is a white to off white to light yellow powder. The compound is freely soluble in water. The chemical name of<unk>  sodium is sodium 4-({(1R)-2-5-(2-fluoro-3-methoxyphenyl)-3-{2-fluoro-6-(trifluoromethyl)phenylmethyl}-4-methyl-2,6-dioxo-3,6-dihydropyrimidin-1(2H)-yl-1-phenylethyl}amino)butanoate. It has a molecular formula of C32H29F5N3O5Na and a molecular weight of 653.58 g/mol. The free acid form of<unk>  has a molecular formula of C32H29F5N3O5 and a molecular weight of 631.60 g/mol.
Elagolix
Lifitegrast
Naloxegol
Relugolix
Naldecon
Syclix
Crofelemer
Abarelix