PF299804 is a potent, irreversible pan-ErbB inhibitor against ErbB1, ErbB2 and ErbB4 with IC50 of 6 nM, 45.7 nM and 73.7 nM, respectively.

PF-3274167 is a high-affinity nonpeptide oxytocin receptor (OTR) antagonist, with Ki of 9.5 nM.

PF-562271 is a potent, ATP-competitive, reversible inhibitor of FAK and Pyk2 with IC50 of 1.5 nM and 14 nM, respectively.

PFK-158 is a potent and selective inhibitor of PFKFB3 that is currently being investigated in a phase I study in patients with advanced solid malignancies.

PI3K-IN-2 is a PI3K inhibitor, inhibits pPKB and pS6 with "++++/+++(+)" in A2058 melanoma cell.

Pibrentasvir is a novel and pan-genotypic hepatitis C virus (HCV) NS5A inhibitor with EC50s ranging from 1.4 to 5.0 pM against HCV replicons containing NS5A from genotypes 1 to 6.

PIM447 is novel pan-PIM kinase inhibitor, including Moloney Murine Leukemia (PIM) 1, 2, and 3 Kinase.

Pimodivir(VX-787) is a novel inhibitor of influenza virus replication that blocks the PB2 cap-snatching activity of the influenza viral polymerase complex. 

Pirmenol hydrochloride inhibits IK.ACh by blocking muscarinic receptors. The IC50 of Pirmenol for inhibition of Carbachol-induced IK.ACh is 0.1 μM.

Pitolisant Hcl(BF2.649;Ciproxidine ) is a novel, potent, and selective nonimidazole inverse agonist at the recombinant human H3 receptor (Ki=0.16 nM).

PKC-412 is a broad spectrum protein kinase inhibitor. Inhibits conventional PKC isoforms (α, β, γ), PDFRβ, VEGFR2, Syk, PKCη, Flk-1, Flt3, Cdk1/B, PKA, c-Kit, c-Fgr, c-Src, VEGFR1 and EGFR. Displays potent antitumor activity.

PKI-587 is a highly potent dual PI3K/mTOR kinase inhibitor with IC50 of 0.4 nM and <0.1 μM for PI3K-α and mTOR, respectively.

Pleconarilis is a picornavirus replication inhibitor.

Plerixafor is a chemokine receptor antagonist for CXCR4 and CXCL12-mediated chemotaxis with IC50 of 44 nM and 5.7 nM, respectively.

Plerixafor octahydrochloride(AMD3100 8HCL) is a chemokine receptor antagonist for CXCR4 and CXCL12-mediated chemotaxis with IC50 of 44 nM and 5.7 nM, respectively.

PLX3397 is a tyrosine kinase inhibitor that potently inhibits the colony stimulating factor 1 (CSF1) receptor kinase, a driving force in the development and growth of PVNS.

PLX4032 (Vemurafenib, RG7204, Zelboraf, RO5185426) is a novel and potent inhibitor of B-RafV600E with IC50 of 31 nM.

PLX4720 is a potent and selective inhibitor of B-RafV600E with IC50 of 13 nM, equally potent to c-Raf-1(Y340D and Y341D mutations), 10-fold selectivity for B-RafV600E than wild-type B-Raf.

PLX51107 is a novel BET inhibitor with a unique binding mode in the acetylated lysine binding pocket of BRD4 that differentiates it from other compounds under investigation.

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

Ponesimod(ACT-128800) is an orally active, selective sphingosine-1-phosphate receptor 1 (S1P1) immunomodulator with EC50 of 5.7 nM.

Posaconazole (Noxafil) is a sterol C14ɑ demethylase inhibitor with an IC50 of 0.25 nM.