Pulsatilla saponin D(SB365) isolated from the root of Pulsatilla koreana, has exhibited potential beneficial effects as a chemopreventive agent for critical health conditions including cancer.

Purfalcamine is a potent, specific inhibitor of Plaasmodium falciparum calcium-dependent protein kinase 1 (PfCDPK1) with IC50 of 17 nM.

Puromycin Aminonucleoside (3'-Amino-3'-deoxy-N6,N6-dimethyladenosine) is the aminonucleoside portion of the antibiotic puromycin.

Puromycin is an aminoglycoside antibiotic isolated from the bacterium Streptomyces alboniger. It is a protein synthesis inhibitor.

PVZB-1194 is a bis(hetero)aryl derivative that inhibits kinesin spindle protein (KSP) ATPase witn IC50 of 0.12 uM.

PWT143 (ME-401), is an orally bioavailable inhibitor of the delta isoform of phosphatidylinositide 3-kinase (PI3K), with potential antineoplastic activity.

PWZ-029 is a potent, subtype-selective partial inverse agonist of α5 GABAA receptors with Ki of 30 nM, demonstrates memory enhancing effects in vivo.

Px-104(Px-102) is a farnesoid X receptor (FXR) agonist potentially for the treatment of non-alcoholic fatty liver disease.

PX-12(IV-2) is an irreversible inhibitor of Thioredoxin-1(Trx-1) currently in clinical development as an antitumor agent; IC50=7 uM in Hela, MTT assay, 72 h.

PX20606, also known as PX-102, is a FXR agonist.

Pyk2-IN-25a is a highly potent Pyk2 (PTK2B) inhibitor with IC50 of 0.67 nM, dispalys 2-fold weakening potency for FAK (IC50=1.26 nM).

PyP-1 is a potent, highly selective, and orally bioavailable PDE10A inhibitor with Ki of 0.23 nM.

Pyr6 is a selective inhibitor of TRPC3 with IC50 of 0.49 uM(Ca2+ influx inhibition in thapsigargin depleted native RBL-2H3 cells).

Pyrazinib (Pyrazinib (P3)) is a pyrazine phenol small molecule drug with anti-angiogenic and anti-metabolic activity in-vivo in zebrafish and in-vitro isogenic models of OAC radioresistance.

Pyridoxine hydrochloride (Pyridoxol; Vitamin B6) is a pyridine derivative. Pyridoxine (Pyridoxol; Vitamin B6) exerts antioxidant effects in cell model of Alzheimer's disease via the Nrf-2/HO-1 pathway.

Pyrimidinone 8 is a novel allosteric, non-competitive divalent metal transporter-1 (SLC11A2/DMT1) inhibitor with Ki of 20 uM.

Pyrimidyn 7 is a potent, dual-action dynamin GTPase activity inhibitor with IC50 of 1.1 uM/1.8 uM for dynamin I/dynamin II respectively, competitively inhibits both GTP and phospholipid interactions with dynamin.

Pyronaridine tetraphosphate is a Mannich base anti-malarial with demonstrated efficacy against drug resistant Plasmodium falciparum, P. vivax, P. ovale and P. malariae.

Pyrotinib maleate (SHR-1258 maleate) is a potent and selective EGFR/HER2 dual inhibitor with IC50 of 13/38 nM, respectively.

Pyrrophenone is a potent cPLA2α inhibitor with enzyme IC50 of 4.2 nM.

PYZD-4409 is a novel small molecule inhibitor of Ubiquitin-activating enzyme UBA1/E1 enzyme with an IC50 of 20 uM (cell-free enzymatic assay).

PZ09 (PKC-zeta inhibitor 9, PKC-ζ inhibitor PZ9) is a potent, isoform selective PKC-zeta (PKC-ζ) inhibitor with IC50 of 5.18 nM, displays excellent selectivity (>200-fold) over other PKC isoforms with exception of PKC-i (10-fold). PZ09 also shows high selectivity for CDK-2 (>200-fold), as well as a broader range of other kinases (<50% inhibition at 10 uM). PZ09 is a small-molecule inhibitor, the first tool to successfully interrogate aPKC signaling in cells.