LSD1 inhibitor-1 is a bisguanidine polyamine analogue that exhibits noncompetitive and specific LSD1 inhibition, with 14.1% remaining LSD1 activity at 10 uM in vitro.

LSD1 inhibitor 24 is a novel potent, selective lysine-specific demethylase 1 (LSD1) inhibitor with IC50 of 1 nM, induces CD11b expression in THP-1 cells with EC50 of 8 nM.

L-ornithine has an antifatigue effect by increasing the efficiency of energy consumption and promoting the excretion of ammonia. It is one of the key reactants in the urea cycle.

Lorcaserin (APD-356)is a weight-loss drug developed by Arena Pharmaceuticals. It has serotonergic properties and acts as an anorectic.

Lopixibat chloride (LUM-001, HP-625) is a potent, selectiove, oral inhibitor of sodium bile acid cotransporter and Ileal bile acid transporter (IBAT)..

Loperamide HCl is an opioid-receptor agonist used as long-acting synthetic antidiarrheals.

Lomustine (CeeNU)

Lomerizine dihydrochloride is a relatively new L- and T-type calcium channel blocker used in the treatment of migraine.

Lomefloxacin HCl (Maxaquin)

LOM612 is a potent activator of FOXO nuclear translocation, with an EC50 value of 1.5 μM in cells.

Loganetin is a non-toxic natural product that may be applied in the antibacterial drug development for treating multidrug-resistant Gram negative infections.

LN-1-255 is a 6-alkylidene-2'-substituted penicillin sulfone that acts as an effective beta-lactamase inhibitor.

LLY-2707 (LLY 2707, LLY2707) is a novel potent, selective, nonsteroidal glucocorticoid receptor antagonist with Ki of 2.13 nM.

LLS30 is a potent, allosteric Galectin-1 (Gal-1) inhibitor, inhibits AR negative cells PC3, DU145, and AR positive cells, 22RV1 and CWR-R1 cells with IC50 of 10.4 μM, 5.3 μM, 3.3 μM and 5.9 μM, respectively.

LLS2 is a novel potent Galectin-1 (Gal1) inhibitor that decreases membrane-associated H-Ras and K-Ras and contributed to the suppression of pErk pathway.

LLP2A is a high-affinity, selective peptidomimetic ligand of α4β1 integrin with IC50 of 2 pM.

LLL3 is a structural analogue of STA-21 that acts as a novel STAT3 inhibitor, inhibits STAT3-dependent transcriptional and DNA binding activities.

Litronesib is a selective, allosteric inhibitor of Eg5, which may result in mitotic disruption, apoptosis and consequently cell death in tumor cells that are actively dividing.

Lirimilast (BAY 19-8004.

Liproxstatin-1 analog is an analog of the ferroptosis inhibitor liproxstatin-1

Linopirdine (DUP-996.

Linopirdine (DUP-996) is a potent Kv7 (KCNQ) voltage-gated potassium channels blcoker.

Lincomycin HCl (Lincocin)

Lin28-IN-1 is a small-molecule inhibitor of the Lin28/let-7 interaction with IC50 of 4.03 uM.

LIMK1 and 2 dual inhibitor is a potent, selective LIMK1/2 inhibitor with IC50 of <10 nM for both, 15-fold selectivity over B-Raf (IC50=10-100 nM).

Lidocaine, an amide local anesthetic, has anti-inflammatory properties in vitro and in vivo, possibly due to an attenuation of pro-inflammatory cytokines, intracellular adhesion molecule-1 (ICAM-1), and reduction of neutrophils influx.

Lidocaine hydrochloride is a local anesthetic and cardiac depressant used as an antiarrhythmia agent.

L-Homocysteine thiolactone hydrochloride is an intramolecular thioester of homocysteine; prevents translational incorporation of homocysteine into proteins.

LHF-535 (LHF535, LHF 535) is a small-molecule viral entry inhibitor that targets the arenavirus envelope glycoprotein, exhibits potent antiviral activity against a broad array of hemorrhagic fever arenaviruses with IC50 of 0.1-0.3 nM.

L-Glutamic acid monosodium salt is the sodium salt of glutamic acid, found naturally in tomatoes, cheese and other foods.