Lomitapide (AEGR-733) is a novel proprietary MTP-inhibitor.

Lodoxamide tromethamine is a medication for the treatment of prophylaxis of mast cell-mediated allergic disease.

Lodoxamide is an antiallergic compound acting as a mast-cell stabilizer for the treatment of asthma and allergic conjunctivitis.

LM22B-10 is an activator of TrkB/TrkC neurotrophin receptor, and can induce TrkB, TrkC, AKT and ERK activation in vitro and in vivo.

LIT-927 (LIT927) is the first selective, locally and orally active CXCL12 neutraligand with Ki of 267 nM for CXCL12-TR binding inhibition.

Linezolid (Zyvox) is a synthetic antibiotic used for the treatment of serious infections.

LH846 is a selective inhibitor of CK1δ (IC50 values are 290 nM, 1.3 uM and 2.5 uM for CK1δ, ε and α); displays no inhibitory activity at CK2.

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

Lercanidipine hydrochloride is a calcium channel blocker of the dihydropyridine class.

Ledipasvir(GS5885) is an inhibitor of the hepatitis C virus NS5A protein. Ledipasvir is an experimental drug for the treatment of hepatitis C.

LDN-212854 is a potent and selective BMP receptor inhibitor with IC50 of 1.3 nM for ALK2, about 2-, 66-, 1641-, and 7135-fold selectivity over ALK1, ALK3, ALK4, and ALK5, respectively.

LDN-192960 is a potent and selective inhibitor of haspin (Haploid Germ Cell-Specific Nuclear Protein Kinase). IC50 = 0.010 µm

LDK378 is a highly selective ALK inhibitor with IC50 of 2 nM

Lanraplenib is a potent, selective Syk kinase inhibitor for treatment various disease states, including cancer and inflammatory conditions.

L-755,507 enhances CRISPR-mediated homology-directed repair (HDR) efficiency in human induced pluripotent stem cells (iPSCs).

KY02111 promotes differentiation of hPSCs to cardiomyocytes by inhibiting WNT signaling.

K-Ras(G12C) inhibitor 9 is an allosteric inhibitor of oncogenic K-Ras(G12C).

kobe2602 is a novel and effective small-molecule compound inhibiting Ras–Raf interaction by SBDD; exhibits potent activity to competitively inhibit the binding of H-Ras·GTP to c-Raf-1 RBD with a Ki value of 149 ± 55 μM.

KN-93 is a selective inhibitor of Ca2+/calmodulin-dependent kinase II (CaMKII), competitively blocking CaM binding to the kinase (Ki = 370 nM).

KIRA6 is an ATP-competitive IRE1α kinase inhibiting RNase attenuator (KIRA) that allosterically inhibits IRE1α RNase kinase activity (IC50 = 0.6 µM) and prevents oligomerization.

KIN1148, a small-molecule IRF3 agonist, is a novel influenza vaccine adjuvant found to enhance flu vaccine efficacy.

kb-NB77-78 is an analog of CID797718, which is a by-product of the synthesis of the parental compound, CID755673(PKD1 inhibitor).

Kartogenin(KGN) is a small molecule stimulator of chondrogenesis; promotes chondrocyte differentiation(EC50=100 nM) and binds to filamin A.

K145 is a selective SphK2 inhibitor with an IC50 of 4.30±0.06 μM , while no inhibition of SphK1 at concentrations up to 10 μM. IC50 value: 4.3 uM.

JZL184 is a strong and selective inhibitor of Monoglyceride Lipase

JND3229 is a New EGFRC797S Mutant Inhibitor with In Vivo Monodrug Efficacy (IC50 = 5.8 nM).

JIB-04 is a pan-selective Jumonji histone demethylase inihibitor with IC50 of 230, 340, 855, 445, 435, 1100, and 290 nM for JARID1A, JMJD2E, JMJD3, JMJD2A, JMJD2B, JMJD2C, and JMJD2D, respectively.

J-147 is a potent neuroprotective and neurotrophic compound.

Ivabradine, a new If inhibitor with IC 50 of 2.9 μM which acts specifically on the pacemaker activity of the sinoatrial node, is a pure heart rate lowering agent.

Irbinitinib(ARRY-380; ONT-380) is a potent and selective HER2 inhibitor with IC50 of 8 nM, equipotent against truncated p95-HER2, 500-fold more selective for HER2 versus EGFR.