PF-04191834 (PF-4191834) is a potent, non‐iron chelating, non‐redox, selective and competitive inhibitor of 5-lipoxygenase (5‐LO) with Ki of 10 nM.

PF-03882845 is highly potent, selective, nonsteroidal, orally bioavailable Mineralocorticoid receptor antagonist with IC50 of 4.5 nM.

PF-03814735 is a novel, potent, orally bioavailable, reversible small-molecule Aurora kinase inhibitor with IC50 of 0.8, 5, 10 and 22 nM for Aurora A, Aurora B, Flt 1 and FAk, respectively.

PF-03654764 (PF 3654764) is a potent, selective, orally bioactive antagonist of H3 receptor with Ki of 1.4 nM.

PF-03654746 (PF 3654746) is a potent, selective, orally bioactive antagonist of H3 receptor with Ki of 2.3 nM.

PF-03463275 (PF 3463275) ia an orally bioavailable, centrally penetrant, potent, reversible, selective, and competitive inhibitor of the human GlyT1 transporter with Ki of 13 nM.

PF-03382792 (PF-3382792) is a clinical compound under phase 1 investigation for an unknown indication..

PF-03049423 is a potent, selective, orally active, and brain penetrant inhibitor of PDE5 with IC50 of 0.2 nM.

PF-02575799 is a highly potent microsomal triglyceride transfer protein (MTP) inhibitor with IC50 of 0.77 nM.

PF-02413873 (PF-2413873) is a potent, selective, fully competitive, and orally active progesterone receptor (PR) antagonist with Ki of 9.7 nM.

PF-00610355 (PF 610355) is a potent, selective, and long-acting β2-adrenoreceptor agonist with EC50 of 0.26 nM.

PF-00446687(PF-446687) is a potent, selective melanocortin-4 receptor (MC4R) agonist with EC50 of 12 nM.

PF-00446687 hydrochloride (PF-446687) is a potent, selective melanocortin-4 receptor (MC4R) agonist with EC50 of 12 nM.

PF 5212372 (PLA-950, ZPL-521, ZPL 5212372) is a potent, selective inhibitor of cPLA2 (cytosolic phospholipase A2α) with IC50 of 7 nM.

PF 4800567 is a selective casein kinase 1ε inhibitor; displays 22-fold greater potency towards CK1ε than CK1δ (IC50 values are 32 and 711 nM for CK1ε and CK1δ respectively).

PF 03716556 is a potent, and selective acid pump (H+,K+ ATPase) antagonist, with pIC50 value of 6.009.

PF 03709270 is an orally available ester prodrug form of sulopenem, with broad-spectrum antibacterial activity against most gram-positive and gram-negative bacteria.

Petroselinic acid, a positional isomer of oleic acid, is isolated from the vegetable oil of Coriandrum sativum fruits.

Perlapine (AW-14233.

Perisesaccharide C is an oligosaccharide isolated from the root barks of Periploca sepium.

Perisesaccharide B is an oligosaccharide isolated from the root barks of Periploca sepium.

Perhexiline is a prophylactic antianginal agent that inhibits carnitine palmitoyltransferase (CPT1/CPT2).

Peptide Fz7-21 is a potent, selective peptide inhibitor of Frizzled 7 receptor, inhibits exogenous WNT3A stimulated Wnt-β-catenin signaling in HEK293 cells with IC50 of 100 nM.

Pentanoic acid, a short-chain fatty acid, is a product of bacterial metabolism and are associated with allergic skin disorders. Pentanoic acid activates ROCK signaling pathway.

PDK1 inhibitor is a potent and selective inhibitor of PDK1 with potential as anticancer agent..

PDEδ-IN-99 is a novel potent K-Ras-PDEδ inhibitor that binds to the farnesyl binding pocket of PDEδ with Kd of 8±4 nM..

PDE4D-IN-26b is a potent, highly selective PDE4D inhibitor with IC50 of 0.6 nM, displays 75-fold lower activity against the PDE4A, B, and C subtypes, also exhibits 18,000-fold decreased potency against other PDE family members.

PDE2 inhibitor 4 is a potent, selective, orally available inhibitor of PDE2 with IC50 of 2 nM, displays high selectivity versus other PDE isoforms.

PDE1-IN-2 is an inhibitor of PDE1 extracted from patent WO2016/55618 A1, example 31; has IC50 values of 6, 140 and 164 nM for PDE1C, PDE1B and PDE1A, respectvely.

PDE10A-IN-32 is a potent, highly selective, brain penetrant PDE10A inhibitor with IC50 of 0.14 nM, displays no significant activity against other PDEs (IC50>1,000 nM)..