LY 392098 is a selective, potent and centrally active positive allosteric modulator of AMPAR.

LY 2318912 is a potent, competitive, small molecule inhibitor of anandamide uptake with IC50 of 7.27 nM, shows high affinity against anandamide transporter binding site with Kd o f7.62 nM.

LX7101 is a potent, dual LIMK and ROCK inhibitor with IC50 of 4.3/32//69/32/ nM for LIMK2/LIMK1/ROCK1/ROCK2, respectively.

LX-2931 (LX2931) is a potent, selective and orally bioavailable S1P lyase (S1PL) inhibitor.

LX-1031 is a potent, orally active tryptophan 5-hydroxylase (TPH) inhibitor with potency of 10-100 nM, reduces 5-HT synthesis peripherally.

Luteolin-7-rutinoside has both anti-arthritic and antifungal activities, can result in a combination therapy for the treatment of fungal arthritis due to C. albicans infection.

LUF6000 is a potent, selective, positive allosteric modulator (enhancer) of human A3 adenosine receptor, enhance Emax but without affecting agonist potency.

Lucidin (NSC 30546) is a natural component of Rubia tinctorum L. lucidin is mutagenic in bacteria and mammalian cells.

LTV-1 is a highly potent, cell-permeable and reversible LYP (lymphoid tyrosine phosphatase) inhibitor with IC50 of 508 nM.

LTURM34 is a specific DNA-PK inhibitor with an IC50 of 0.034 μM.

L-Thyroxine

LSP1-2111 is a potent, selective, and brain penetrant group III mGluRs agonist with EC50 of 2.2 and 1.7 uM for mGluR4 and mGluR6, respectively.

L-SelenoMethionine is a major natural food-form of selenium.

LSD1-IN-32 is a potent, reversible lysine specific demethylase 1 (LSD1) inhibitor with biochemical IC50 of 83 nM, Kd of 32 nM, cell EC50 of 0.67 uM.

LSD1-IN-11p is a reversible LSD1 inhibitor with IC50/Kd of 79/21 nM.

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.