NSC 405020 is a noncatalytic inhibitor of MT1-MMP, directly interacts with PEX domain of MT1-MMP, affects PEX homodimerization but not catalytic activity of MT1-MMP.

NSC 185058 is an inhibitor of ATG4B, a cysteine protease that activates LC3B during the initiation of autophagy.

NS638 is a Ca(2+)-channel blocker.

NS6180 is a novel inhibitor of the intermediate-conductance Ca2+-activated K+ channel (KCa3.1)

NS-398 is a selective inhibitor of cyclooxygenase-2 (COX-2).

NS309 is a positive modulator of small- and intermediate- conductance Ca2+-activated K+ channels (KCa2 and KCa3.1 channels); increases Ca2+ sensitivity. Displays no activity at BK channels.

NS1643 is a potent human ether-a-go-go related gene (hERG) KV11.1 channel activator (EC50 = 10.5 μM).

NS11394 possesses a functional efficacy selectivity profile of alpha(5) > alpha(3) > alpha(2) > alpha(1) at GABA(A) alpha subunit-containing receptors.

NS 9283 is a positive allosteric modulator of α4β2 receptor; increases the potency of Ach-evoked currents ~60 fold without effecting the maximum efficacy (HEK293-hα4β2 cells).

NPS-1034 is a dual Met/Axl inhibitor with IC50 of 48 nM and 10.3 nM, respectively.

Nolatrexed (AG-337), inhibits purified recombinant human thymidylate synthase (TS) with a Ki of 11 nM, and displays non-competitive inhibition kinetics. It was further shown to inhibit cell growth in a panel of cell lines of murine and human origin, displ

NOD-IN-1 is a potent mixed inhibitor of nucleotide-binding oligomerization domain (NOD)-like receptors, NOD1 and NOD2, with IC50 of 5.74 μM and 6.45 μM, respectively.

NMS-873 is a potent, selective allosteric VCP/p97 inhibitor with IC50 value of 20 nM (Wild Type, 1 mM ATP).

NLX-101（F-15599） is a novel compound that activates serotonin 5-HT1A receptors with exceptional selectivity, having over 1000-fold higher affinity for this target over other receptors.

NLG919 is a potent IDO (indoleamine-(2,3)-dioxygenase) pathway inhibitor with Ki/EC50 of 7 nM/75 nM.

NLG-8189 is an inhibitor of IDO and INDOL1 (IDO2)

NKP-1339 is the first-in-class ruthenium-based anticancer drug in clinical development against solid cancer and has recently been studied successfully in a phase I clinical trial.

Nitisinone(SC0735) is an inhibitor of the enzyme 4-hydroxyphenylpyruvate dioxygenase.

Nintedanib (BIBF 1120) is a potent triple angiokinase inhibitor for VEGFR1/2/3, FGFR1/2/3 and PDGFRα/β with IC50 of 34 nM/13 nM/13 nM, 69 nM/37 nM/108 nM and 59 nM/65 nM.

Nintedanib (BIBF 1120) is a potent triple angiokinase inhibitor for VEGFR1/2/3, FGFR1/2/3 and PDGFRα/β with IC50 of 34 nM/13 nM/13 nM, 69 nM/37 nM/108 nM and 59 nM/65 nM.

Nilotinib (AMN-107, Tasigna) is a Bcr-Abl inhibitor with IC50 less than 30 nM.

NIH-12848 (NCGC00012848-02) is a putative phosphatidylinositol 5-phosphate 4-kinase γ (PI5P4Kγ) inhibitor, was explored as a tool for investigating this enigmatic, low activity,

Nicotinamide Mononucleotide, also known as ("NMN" and "β-NMN") is a nucleotide derived from ribose and nicotinamide Like nicotinamide riboside, NMN is a derivative of niacin, and humans have enzymes that can use NMN to generate nicotinamide adenine dinuc

Nicaraven is an antivasospastic substance.

NIBR 189 is a potent and selective EBI2 (GPR183) receptor antagonist (IC50 values are 11 and 15 nM for human and mouse EBI2 receptors respectively).

NG 52 (Compound 52) is a potent, cell-permeable, reversible, selective, and ATP-compatible inhibitor of the cell cycle-regulating kinase, Cdc28p (IC50 = 7 μM), and the related Pho85p kinase (IC50 = 2 μM).

Nexturastat A is a potent and selective HDAC6 inhibitor with IC50 of 5 nM, >190-fold selectivity over other HDACs.

Nevirapine is a potent, non-nucleoside reverse transcriptase inhibitor (NNRTI) used in combination with nucleoside analogues for treatment of HIV-1 infection and AIDS.

Neratinib (HKI-272) is an orally available, irreversible tyrosine kinase inhibitor with IC50 of 59 nM and 92 nM for HER2 and EGFR, respectively.

Nedaplatin (Aqupla) is a derivative of cisplatin for inhibition of tumor colony forming units with IC50 of 28.5 μg/mL.