PD-1/PD-L1 inhibitor 1 is a PD-1/PD-L1 interaction inhibitor,IC50 values: 0.006-0.10 μM,a useful immunomodulator compound.

PD-1/PD-L1 inhibitor 2 is reported to prevent the interaction of PD-L1 with PD-1 with an IC50 value of 18 nM,a useful compound immunomodulator compound.

PD153035 is a potent and specific inhibitor of EGFR with Ki and IC50 of 5.2 pM and 29 pM; little effect noted against PGDFR, FGFR, CSF-1, InsR and Src.

PD158780 is a very potent inhibitor of EGFR with IC50 of 0.08 nM; pan-specific antagonist of ErbB receptor.

PD166285 (PD 0166285) is a broad-spectrum receptor tyrosine kinase (RTK) inhibitor that inhibits PDGFR-β, EGFR, and FGFR1 and c-Src with IC50 of 7-85 nM.

PD-166866 is a selective inhibitor of the FGF-1 receptor tyrosine kinase (FGFR1) with IC50 = 55 nM, and no effect on c-Src, PDGFR-b, EGFR or insulin receptor tyrosine kinases or MEK, PKC, and CDK4.

PD-168077 maleate is a selective dopamine D4 receptor agonist, with a Ki of 9 nM.

PD168393 is potent, cell-permeable, irreversible and selective inhibitor of EGF receptor (EGFR) tyrosine kinase and ErbB2.

PD169316 is a potent and selective p38 MAP kinase inhibitor

PD173074 is a potent FGFR1 inhibitor with IC50 of ~25 nM and also inhibits VEGFR2 with IC50 of 100-200 nM.

PD-173955 is a src tyrosine kinase inhibitor. PD173955 inhibited Bcr-Abl-dependent cell growth.

PD318088 is a non-ATP competitive allosteric MEK1/2 inhibitor, binds simultaneously with ATP in a region of the MEK1 active site that is adjacent to the ATP-binding site.

PDM 2 is an analog of resveratrol acting as a potent and selective aryl hydrocarbon receptor (AhR) antagonist, with a Ki of 1.2 nM.

Peficitinib(ASP015K,JNJ-54781532) is a novel potent JAK inhibitor, which demonstrated potent efficacy in adjuvant-induced arthritis model in rats.

Pelitinib (EKB-569; WAY-EKB 569) is a potent irreversible EGFR inhibitor with IC50 of 38.5 nM.

Pemafibrate is an orally bioavailable and selective agonist of peroxisome proliferator-activated receptor α (PPARα; EC50 = 1 nM for transcriptional activity), a transcription factor that is essential for regulation of lipid homeostasis.

Pemetrexed Disodium Hemipentahydrate

Pemetrexed disodium is a novel antifolate and antimetabolite for TS, DHFR and GARFT with Ki of 1.3 nM, 7.2 nM and 65 nM, respectively.

Pemigatinib is a selective FGFR inhibitor in development for the treatment of patients with cholangiocarcinoma.

Pentamidine Dihydrochloride(MP601205 dihydrochloride) is an antimicrobial agent.

Pentostatin(Deoxycoformycin) is an irreversible inhibitor of adenosine deaminase (Ki = 2.5 pM).

PEO-IAA is an indole-3-acetic acid (IAA) antagonist. PEO-IAA is an auxin antagonist that binds to transport inhibitor response 1/auxin signaling F-box proteins (TIR1/AFBs).