NIBR-3049 (TCS-21311) is a potent, highly selective JAK3 inhibitor with IC50 of 8 nM, displays >100-fold selectivity over JAK1, JAK2 and TYK2, also inhibits PKCα, PKCθ, and GSK3β with IC50 of 13, 68, and 3 nM, respectively..

NGI-1 derivative C-19 is a specific, small-molecule inhibitor of oligosaccharyltransferase (OST) catalytic subunit STT3B, without effect on STT3A.

NGD-4715 is a potent, selective, non-peptide antagonist of MCHR1 (Melanin-concentrating hormone receptor 1), has anxiolytic, antidepressant and anorectic effects..

NFPS (ALX-5407) is a potent, selective GlyT1 inhibitor with IC50 of 2.8 and 9.8 nM for hGlyT1 and rGlyT1 respectively, >5,000-fold selectivity over rGlyT2.

NFEPP is a novel potent, selective pH-dependent μ-opioid receptor (MOR) agonist with a low pKa, shows significantly lower affinity compared with fentanyl at pH 7.4.

Nexinhib 20 is a novel small molecule neutrophil exocytosis inhibitor (IC50=0.33 uM) that specifically inhibits Rab27a-JFC1 binding (IC50=2.6 uM) but does not interfere with the interaction of other Rab GTPases and effectors.

Neurotoxin Inhibitor is a neurotoxin inhibitor.

NEU-1953 (NEU1953) is a potent inhibitor of P. falciparum with EC50 of 0.43 uM (T. brucei), demonstrates improved ADME profile over the NEU-961..

Netupitant is a highly potent and selective, orally active neurokinin-1 receptor antagonist with Ki of 0.95 nM.

Netilmicin Sulfate is an active aminoglycoside antibiotic against most Gram-negative and some Gram-positive bacteria, including certain strains resistant to gentamicin.

Netazepide (YF476, Sograzepide) is a potent, selective and orally active gastrin/CCK-2 antagonist with IC50 of 0.1 nM.

Nestoron2 (ST1435, Elcometrine) is a 19-norprogesterone derivative and steroidal progestin which is used as a hormonal contraceptive, a high-affinity agonist of the progesterone receptor..

NEO214 (NEO-214) is a novel, BBB-permeable rolipram-perillyl alcohol conjugate, shows effectivity against both TMZ-sensitive and TMZ-resistant glioma cells (T98G IC50=40 uM).

Neladenoson dalanate is a potent, selective, orally acitve partial adenosine A1 receptor (A1AR) agonist (EC50=0.1 nM) for the treatment of chronic heart failure..

Neladenoson dalanate is a potent, selective, orally acitve partial adenosine A1 receptor (A1AR) agonist (EC50=0.1 nM) for the treatment of chronic heart failure..

Nef-IN-B9 (Nef inhibitor B9) is a small molecule that blocks Nef-dependent Hck activity with IC50 of 2.8 uM, while the activity against Hck alone is >20 uM.

Nedocromil is an inhaled anti-inflammatory agent for the preventive management of asthma.

Nebicapone (BIA 3-202, BIA3-202) is a potent, long-acting, reversible and competitive peripheral inhibitor of catechol-O-methyltransferase (COMT) with IC50 of 3.7 nM for rat brain COMT, much less potent for liver COMT with IC50 of 696 nM.

NDT 9513727 is a potent, selective and orally bioavailable C5a receptor inverse agonist with IC50 of 11.6 nM in radioligand binding assay.

NCX-4016 (Nitroaspirin.

NCT-502 is a small molecule 3-phosphoglycerate dehydrogenase (PHGDH) inhibitor (IC50=3.7 uM) that reduces the production of glucose-derived serine in cells and suppress the growth of PHGDH-dependent cancer cells.

NCT-501 is a potent and selective inhibitor of Aldehyde Dehydrogenase 1A1 (ALDH1A1) with IC50 of 40 nM.

NCGC00185684 (ML154) is a potent, selective, brain penetrant NPSR (Neuropeptide S receptor.

NCGC00071837 (PDE4-IN-5A) is a potent, selective PDE4 inhibitor with IC50 of 24 and 18 nM for PDE4A and PDE4D, respectively, weak inhibition for PDE4B (IC50=0.54 uM) and inactive for PDE1/3/5/7/9/10/11.

NCD-38 is a novel potent, selective LSD1 inhibitor with IC50 of 0.59 uM, exerts highly selective inhibitory activity on LSD1 but no other enzymes, such as MAO (IC50>100 uM).

NCD-25 is a novel potent, selective LSD1 inhibitor with IC50 of 0.48 uM, exerts highly selective inhibitory activity on LSD1 but no other enzymes, such as MAO..

NC-043 (15-Oxospiramilactone) is a diterpenoid derivative inhibitor of Wnt/β-catenin signaling that interferes with the β-catenin/TCF4 association.

NBQX disodium is the water soluble disodium salt of NBQX, which is a potent, selective and competitive AMPA receptor (AMPAR) antagonist with IC50 of 0.15 uM.

NBI-42902 is a potent inhibitor of peptide radioligand binding to the human GnRH receptor (K(i) = 0.56 nm).

NBD-557 is a potentially HIV-1 inhibitor.