PF-4989216 is a potent and selective PI3K inhibitor with IC50 of 2 nM, 142 nM, 65 nM, 1 nM, and 110 nM for p110α, p110β, p110γ, p110δ, and VPS34, respectively.

PF-5274857 is a potent and selective Smoothened (Smo) antagonist, inhibits Hedgehog (Hh) signaling with IC50 and Ki of 5.8 nM and 4.6 nM, respectively, and can penetrate the blood–brain barrier.

PF-8380 is a potent and specofic autotaxin inhibitor with an IC50 value of 2.8 nM.

PFI-4 is a potent and selective BRPF1 bromodomain inhibitor (IC50 = 80 nM).

PHCCC is a Group I metabotropic glutamate receptor antagonist (IC50 ~ 3 μM).

Piboserod (SB 207266) is a selective 5-HT(4) receptor antagonist.

BMX-IN-1 is a selective, irreversible inhibitor of bone marrow tyrosine kinase on chromosome X (BMX) that targets Cys496 in the BMX ATP binding domain with an IC50 of 8 nM, also targets the related Bruton’s tyrosine kinase (BTK) with an IC50 value of 10.4 nM, but is more than 47-656-fold less potent against Blk, JAK3, EGFR, Itk, or Tec activity.

SR-11237 is a selective pan retinoid X receptor (RXR) agonist with no retinoid A receptor (RAR) activity. .

PIK-293 is a PI3K inhibitor, mostly for PI3Kδ with IC50 of 0.24 μM, 500-, 100- and 50-fold less potent to PI3Kα/β/γ, respectively.

PIK-75 is a p110α inhibitor with IC50 of 5.8 nM (200-fold more potently than p110β), isoform-specific mutants at Ser773, and also potently inhibits DNA-PK with IC50 of 2 nM.

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

Pimelic diphenylamide 106 is a slow, tight-binding inhibitor of class I HDAC (HDAC 1, 2, and 3, with IC50 values of 150 nM , 760nM, and 370 nM, respectively), demonstrating no activity against class II HDACs.

Pimobendan is a selective inhibitor of PDE3 with IC50 of 0.32 μM.

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

Piperoxan hydrochloride is an α2 adrenoceptor antagonist.

Pirarubicin is an analogue of the anthracycline anti-neoplastic doxorubicin, which is an inhibitor of Topo II.

Pirodavir (R 77975) is the prototype of a novel class of broad-spectrum antipicornavirus compounds; potent human rhinovirus (HRV) capsid-binding inhibitor.

Pitavastatin Calcium is a competitive inhibitor of the enzyme HMGCR (HMG-CoA reductase) results in a reduction in LDL cholesterol synthesis. Alternate studies show that pitavastatin can suppress oxygen production in endothelial cells by inhibiting NADPH o

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.

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.

PLX647 is a highly specific dual FMS/KIT kinase inhibitor with IC50 of 28/16 nM respectively.

PLX7904(PB04) is a potent and selective paradox-breaker RAF inhibitor.

Pocapavir is an investigational enterovirus (EV) capsid inhibitor.

Pomalidomide-PEG4-Ph-NH2 is a synthesized E3 ligase ligand-linker conjugate that incorporates the Pomalidomide based cereblon ligand and 4-unit PEG linker used in PROTAC technology.

Porcupine-IN-1 is potent porcupine inhibitor with an IC50 of 0.5±0.2 nM.

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

Potent PKC inhibitor. Photosensitizing agent. Potent antileishmanial agent.

Potent, cell permeable inhibitor of CaM kinase II (IC50 = 0.37 μM).

Potent, cell permeable inhibitor of CaM kinase II (IC50 = 0.37 μM).