Latanoprost is a prodrug (isopropyl ester) of 17-phenyl-13,14-dihydro prostaglandin F2α.

LAU159 is a novelα6β3γ2 GABAA receptor inhibitor.

Lavendustin A is a selective inhibitor of epidermal growth factor (EGF) receptor-associated tyrosine kinase (IC50 = 11 nM) that was first isolated from a Streptomyces culture filtrate.

LDC4297 is a novel CDK7 inhibitor.

LDE225 (NVP-LDE225) is a Smoothened (Smo) antagonist, inhibiting Hedgehog (Hh) signaling with IC50 of 1.3 nM (mouse) and 2.5 nM (human), respectively. Phase 3.

LDN193189 is a selective BMP signaling inhibitor, inhibits the transcriptional activity of the BMP type I receptors ALK2 and ALK3 with IC50 of 5 nM and 30 nM, respectively.

Atpenin A5, an antifungal antibiotic, is an ubiquinone-binding site inhibitor of succinate dehydrogenase. Atpenin A5 has cardioprotective effects against simulated ischemia-reperfusion injury in cardiomyocytes.

Sumanirole maleate(PNU 95666E; U95666E) is a highly selective D2 receptor full agonist with an ED50 of about 46 nM.

Coumestrol, a phytoestrogen present in soybean products, exhibits activities against cancers, neurological disorders, and autoimmune diseases. It suppresses proliferation of ES2 cells with an IC50 of 50 μM.

Fluoxetine HCl is an antidepressant of the selective serotonin reuptake inhibitor (SSRI) class.

Leonurine hydrochloride is an alkaloid isolated from Herba leonuri, with anti-oxidative and anti-inflammatory.

Leonurine, a natural alkaloid extracted from Herba leonuri, has been proved to have anti-inflammatory effect.

Lesinurad sodium (RDEA594 sodium) is an once-daily inhibitor of URAT1; URAT1 is a transporter in the kidney that regulates uric acid excretion from the body.

Leteprinim (Neotrofin, AIT-082) is a hypoxanthine derivative drug with neuroprotective and nootropic effects.

Leuprolide acetate (Leuprorelin) is a GnRH analog; leuprolide acetate acts as an agonist at pituitary GnRH receptors.

LH 21 is a 1,2,4-triazole that acts as a cannabimimetic.

MST312 is a telomerase inhibitor (IC50 = 0.67 μM in a TRAP assay).

TPMPA is a GABAA-ρ1 (ρ1 GABAC) receptor antagonist that is 8-fold selective for GABAA-ρ1 over GABAA-ρ2 (ρ2 GABAC) receptors expressed in X.

Ligustilide possesses neuroprotective, vasorelaxation, antinociceptive and anti-inflammatory activities, it blocked the activation of MAPKs/IKK and the downstream transcription factors AP-1 and NF-κB.

Linagliptin is a highly potent, selective DPP-4 inhibitor with IC50 of 1 nM.

Linderane is a mechanism-based inactivator of CYP2C9.

Linomide is an Immunomodulator; anti-angiogenic.

Lipofermata (CB16.2 aka) is a specific fatty acid transport (FATP) inhibitor, blocks human FATP2-mediated fatty acid uptake (IC50=4.84 uM in Caco-2 cells) without impacting other cellular functions.

LY320135 is a selective cannabinoid (CB) receptor 1 antagonist (Kis = 224 and >10,000 nM for CB1 and CB2, respectively, in vitro).

SKA-121 is a positive-gating modulator of intermediate-conductance calcium-activated potassium channels (IKCa1/KCa3.1) with an EC50 value of 109 nM using whole-cell patch-clamp electrophysiology with calcium in the internal solution.

A potent, selective KDM5 sub-family(JARID1) inhibitor with biochemical IC50 of 71/19/69/69 nM for KDM5A/B/C/D, respectively.

PK 11195 is a ligand of translocator protein. It targets Leishmania chemotherapy (IC50s of 14.2 μM, 8.2 μM, 3.5 μM for L. amazonensis, L. major and L. braziliensis, respectively).

A potent, ATP-competetive CDKs inhibitor with IC50 of 7, 7, 7, 3 uM for Cdc2/cyclin B, Cdk2/cyclin A, Cdk2/cyclin E, and Cdk/p35 kinase.

BL-1249 is a nonsteroidal anti-inflammatory drug (NSAID) and a potassium channel activator. BL-1249 exhibits more selective for the bladder (EC50 of 1.26 μM) than vascular tissue (EC50 of 21.0 μM). BL-1249 extracellular application activates all TREK subfamily members but has no effect on other K2P subfamilies. BL-1249 potently activates K2P2.1 (TREK-1) and K2P10.1 (TREK-2) with EC50 values of 5.5 μM and 8.0 μM, respectively

Fosmidomycin sodium salt is a phosphonic acid antibiotic and a antimalarial drug, which is active against both Gram-negative and Gram-positive bacteria.