LEQ 506 (NPV-LEQ 506) is a second-generation inhibitor of Smoothened (Smo) with IC50 of 2 nM and 4 nM for human and mouse Smo, respectively.

LEM-14-1189 is a LEM-14 derivative that differentially inhibits the NSDs with in vitro IC50 of 418 μM (NSD1), IC50 of 111 μM (NSD2) and IC50 of 60 μM (NSD3)..

LEI-105 is a potent, highly selective, and reversible dual DAGL-α/DAGL-β inhibitor with pIC50 pf 7.5/7.4 respectively.

Leflunomide

LDN-76070 is a novel potent SMN2 modulator (EC50=8.3 uM.

LDN-75654 is a novel potent SMN2 modulator (EC50=1.8 uM.

LDN-211904 is an inhibitor of erythropoietin-producing hepatocellular carcinoma (Eph) receptors.

LDN-109657 is a novel SMN2 modulator that increase SMN protein levels in 3813 fibroblasts by twofold at 370 nM..

LDN 91946 is a selective, uncompetitive ubiquitin C-terminal hydrolase-L1 (UCH-L1) inhibitor with Ki of 2.8 uM, exhibits no activity against other cysteine hydrolase (UCH-L3, TGase 2, papain and caspase-3)..

LDK1229 is a novel potent, selective cannabinoid CB1 receptor inverse agonist with Ki of 220 nM.

LDHA-IN-104 is a potent and selective lactate dehydrogenase A (LDHA) inhibitor with IC50 of 0.87 uM, less potent for LDHB (IC50=6.9 uM).

LDD1937 is a novel potent FLT3 inhibitor with IC50 of 3 nM, displays >170-fold selectivity over JAK2/3, c-MET, IRAK-4.

LCS-1.34 is a small molecule that inhibits growth of human lung adenocarcinoma cells harboring mutations in EGFR or KRAS with IC50 of 0.1-1.1 uM.

LCS-1.28 is a small molecule that inhibits growth of human lung adenocarcinoma cells harboring mutations in EGFR or KRAS with IC50 of 0.05-1.6 uM.

LCS-1 is a small molecule that inhibits growth of human lung adenocarcinoma cells harboring mutations in EGFR or KRAS with IC50 of 0.1-1.5 uM.

LCB 03-0110 is a potent, ATP-competitive inhibitor of Discoidin domain receptor (DDR) family and c-Src tyrosine kinase family, as well as Btk and Syk.

LCB 03-0110 is a potent, ATP-competitive inhibitor of Discoidin domain receptor (DDR) family and c-Src tyrosine kinase family, as well as Btk and Syk.

LC-1028 (LC1028) is a novel potent selective, covalent and irreversible inhibitor of p97 (valosin-containing protein), remains essentially irreversible ac tivity against p97 mutant C522A..

LB42908 is a highly potent, selective, orally active inhibitor of Ras farnesyltransferase (FTase) with IC50 of 0.9 nM against H-Ras and 2.4 nM against K-Ras..

Lauric Acid is a saturated medium-chain fatty acid with a 12-carbon backbone. Lauric acid is found naturally in various plant and animal fats and oils, and is a major component of coconut oil and palm kernel oil.

LAS195319 (LAS-195319) is a potent, selective, inhaled PI3Kδ inhibitor with IC50 of 0.5 nM, weakly inhibits PI3Kβ and γ (>20-fold), no activity against PI3Kα.

L-Arginine is the nitrogen donor for synthesis of nitric oxide, a potent vasodilator that is deficient during times of sickle cell crisis.

Lansoprazole(AG 1749) is a proton pump inhibitor which prevents the stomach from producing acid.

Lanperisone (NK 433) is a centrally acting muscle relaxant that selectively kills of K-ras mutant cancer cells in a cell cycle-independent fashion.

Landiolol Hydrochloride

Lafutidine

LAF389 is a potent methionine aminopeptidase (MetAP) inhibitor with IC50 of 800 nM for MetAP-2, inhibits both MetAp1 and 2, potently inhibits HUVEC proliferation with IC50 of 20 nM.

Lactulose (Enulose)

Lactimidomycin is a glutarimide antibiotic that has antifungal, antiviral and anti-cancer properties, acting as a direct inhibitor of protein translation in ribosomes.

Lacidipine (Lacipil, Motens) is a L-type calcium channel blocker.