Proflavine is a disinfectant bacteriostatic against many gram-positive bacteria. It is a topical antiseptic used mainly in wound dressings.

Prochlorperazine is a dopamine (D2) receptor antagonist that belongs to the phenothiazine class of antipsychotic agents. It is also a highly potent typical antipsychotic.

Procaspase-3 activator 1541B is a specific, small molecule activator of procaspases-3 with EC50 of 1.3 uM.

Procaspase-3 activator 1541 is a small-molecule inducer of cell death that noncovalently self-assembles into chemical fibrils and activates procaspase-3 and 6 in vitro (EC50=2.4 and 2.8 uM).

Procaine is a benzoic acid derivative with local anesthetic and antiarrhythmic properties. Procaine binds to and inhibits voltage-gated sodium channels, thereby inhibiting the ionic flux required for the initiation and conduction of impulses.

Proanthocyanidins are a class of polyphenols with antibacterial, antifungal and antiviral activities, which can be used in the treatment of chronic venous insufficiency, capillary fragility, sunburn and retinopathy.

PRN694 (PRN-694) is a highly selective, potent, covalent inhibitor of ITK and RLK with IC50 of 0.3 and 1.4 nM, respectively.

PRN371 is a novel potent, selective JAK3 inhibitor with IC50 of 0.5 nM, displays >250-fold selectivity over JAK1, JAK2, and TYK2.

PRN 473 is a novel potent, selective reversible inhibitor of Btk.

Pristinamycin is an antibiotic used primarily in the treatment of staphylococcal infections, and to a lesser extent streptococcal infections.

Prinaberel(ERB-041) is a potent and selective ERbeta agonist; being >200-fold selective for ERbeta.

Pridopidine (ACR16, FR-310826, ASP-2314, Huntexil) is a specific dopamine stabilizer without no partial agonism.

Prednisolone is a glucocorticoid with the general properties of the corticosteroids. .

Pramipexole is a partial/full D2S, D2L, D3, D4, receptor agonist with a Ki of 3.9, 2.2, 0.5, 5.1 nM.

Pralidoxime is an antidote to organophosphate pesticides and chemicals.

PR5-LL-CM01 is a novel selective, small-molecule inhibitor of PRMT5 methyltransferase with IC50 of 7.5 uM.

PQC 083 is a novel nerve growth factor (NGF) antagonist with IC50 of 7.0 uM, functionally inhibits NGF's effects on PC12 cell differentiation.

PptT inhibitor 8918 (Compound 8918) is a mycobactericidal amidino-urea compound that targets phosphopantetheinyl transferase (PptT, IC50=2.5 uM), shows an MIC90 of 3.1 uM against Mtb H37Rv.

PPTN is a potent, highly specific amtagonist of P2Y14 receptor with Ki of 0.4 nM in functional assays.

PPTN is a potent, highly specific amtagonist of P2Y14 receptor with Ki of 0.4 nM in functional assays.

PPI-2458 is potent, specific, irreversible methionine aminopeptidase-2 (MetAP-2) inhibitor with IC50 of 0.2 nM, inhibits growth inhibition of HFLS-RA and HUVEC with IC50 of 0.04 nM.

PPBI is a novel potent, selective, full M1 muscarinic agonist with EC50 of 5, 8, and 21 nM for human, rat, and mouse M1 receptors, respectively.

PPARα activator compound 3 is a specific PPAR activator that selectively up-regulates PPARα transcriptional activity, leading to PPARα target gene expression both in vitro and in vivo.

PP-121 is a multi-targeted inhibitor of PDGFR, Hck, mTOR, VEGFR2, Src and Abl with IC50 of 2 nM, 8 nM, 10 nM, 12 nM, 14 nM and 18 nM, also inhibits DNA-PK with IC50 of 60 nM.

PP1 inhibitor C31 is a 1E7-03 analog and protein phosphatase 1 (PP1) targeting small molecule with Kd of 1.88 uM, inhibits Ebola virus (EBOV) transcription and replication.

Potent and selective 5-HT6 receptor antagonist (pKi = 8.6).

Potassium thioacetate is widely used as a sulfur source in the synthesis of sulfur-containing organic compounds. It has been employed for the synthesis of heterocycles, polymers, transition-metal ligands, nanoparticles, bioactive compounds and macromolecu

Pomaglumetad Methionil (LY2140023 monohydrate) is the methionine amide prodrug of the mGluR2/3 agonist LY-404039 with the potential oral treatment of schizophrenia..

Poloppin II is an orally active, Poloppin derivative inhibitor of protein-protein interaction via the PBD of the mitotic Polo-like kinase (PLK) with IC50 of 41 uM in FP assays, exhibits IC50 of 61 nM cellular assay for mitotic arrest.

Polmacoxib is an inhibitor of cyclooxygenase 2 (COX-2) and the carbonic anhydrase subtypes I (CAI) and CAII.