Neostigmine Bromide is a cholinesterase inhibitor used in the treatment of myasthenia gravis.

Neostigmine Methyl Sulfate is a reversible acetylcholinesterase inhibitor. This compound blocks the breakdown of acetylcholine in the synaptic space, leading to prolonged signaling and thus increased muscle contractions.

Nepafenac

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

Nicardipine Hcl(YC-93) is a calcium channel blocker that has been widely used to control blood pressure in severe hypertension following events such as ischemic stroke, traumatic brain injury, and intracerebral hemorrhage.

Niclosamide(BAY2353) is used for the treatment of most tapeworm infections by inhibiting DNA replication.

Nicorandil is potassium channel activator.

Nifedipine(Adalat), a potent vasodilator agent with calcium antagonistic action.

Nifuratel

Nimesulide is a relatively COX-2 selective, non-steroidal anti-inflammatory drug (NSAID) with analgesic and antipyretic properties.

Nimodipine(Nimotop) is a dihydropyridine derivative and an analogue of the calcium channel blocker nifedipine, with antihypertensive activity.Nimodipine decreases intracellular free Ca2+,Beclin-1 and autophagy.

Nisoldipine(BAY-k 5552; Sular) is a calcium channel blocker belonging to the dihydropyridines class, specific for L-type Cav1.2 with IC50 of 10 nM.

Nitazoxanide is a synthetic nitrothiazolyl-salicylamide derivative and an antiprotozoal agent. (IC50 for canine influenza virus ranges from 0.17 to 0.21 μM).

Nitrendipine is a calcium channel blocker with marked vasodilator action.

Nobiletin (Hexamethoxyflavone)

Nootropic agent shown to exhibit learning and memory improvement and cognitive function impairment prevention. Mechanism of action has not been quantified, but current theories suggest a modulation of glutamatergic and cholinergic neurotransmissions with

Norethindrone is a synthetic progestin, which mimic the actions of the endogenous ovarian hormone progesterone.

Octopamine (OA), a biogenic monoamine structurally related to noradrenaline, acts as a neurohormone, a neuromodulator and a neurotransmitter in invertebrates.

Olanzapine(LY170053) is a high affinity for 5-HT2 serotonin and D2 dopamine receptor antagonist.

Olmesartan Acid is an angiotensin II receptor antagonist that prevents the binding of angiotensin II, thus preventing vasoconstriction.

Olmesartan medoxomil(Olmetec; Benicar; CS 866) is an angiotensin II receptor antagonist which is used as an anti-hypertensive.

Olopatadine Hydrochloride