Fenleuton

Fenleuton
Clinical data

Trade names	Lofrin
ATC code	none
Identifiers
IUPAC name 1-{4-[3-(4-Fluorophenoxy)phenyl]-3-butyn-2-yl}-1-hydroxyurea
CAS Number	141579-54-6
ChemSpider	65045
UNII	LG64454O6I
KEGG	D04151
CompTox Dashboard (EPA)	DTXSID40869916
Chemical and physical data
Formula	C₁₇H₁₅FN₂O₃
Molar mass	314.316 g·mol⁻¹
3D model (JSmol)	Interactive image
SMILES CC(C#Cc1cccc(c1)Oc2ccc(cc2)F)N(C(=O)N)O
InChI InChI=InChI=1S/C17H15FN2O3/c1-12(20(22)17(19)21)5-6-13-3-2-4-16(11-13)23-15-9-7-14(18)8-10-15/h2-4,7-12,22H,1H3,(H2,19,21) Key:MWXPQCKCKPYBDR-UHFFFAOYSA-N

Fenleuton (trade name Lofrin) is a drug that acts as a 5-lipoxygenase inhibitor and inhibits leukotriene (LTB4, LTC4, LTD4, and LTE4) formation. It has been studied for potential use in veterinary medicine to treat respiratory diseases such as chronic obstructive pulmonary disease (COPD) in horses.