VUF 4904 is an impentamine analog and a neutral antagonist of the histamine H3 receptor. VUF 4904 can be used in the research of diseases related to the function of the H3 receptor, such as Alzheimer's disease.

VU6052254, a derivative of VU0467319, is a selective, potent, orally active and brain-penetrant muscarinic M1 acetylcholine receptor (mAChR1) positive allosteric modulator with an EC50 of 59 nM. VU6052254 has no activity on the M2-5 receptor (EC50 > 30 μM). VU6052254 can improve memory recognition ability and reverse the cognitive impairment induced by Scopolamine with minimum effective dose both of 1 mg/kg. VU6052254 can be used for the research of neurological disease, such as Alzheimer's disease.

Vrucaparib-TP4 (Compound 9) is a PARP1 PROTAC-type degrader. Vrucaparib-TP4 promotes the ubiquitination and degradation of PARP1. Vrucaparib-TP4 can be used in the research of tumors. (Pink: PARP and PARP-1 and PARP-2 and PARP-3 ligand ; Blue: VHL ligand ; Black: linker ).

VPC285785 is an orally active SARS-CoV-2 main protease inhibitor with an IC50 of 0.8 μM and a Kd of 2.7 μM. VPC285785 functionally inhibits the viral main protease-mediated processing of viral polyprotein precursors required for viral replication. VPC285785 reduces viral loads in the liver, brain and spleen tissues of MHV-infected mice. VPC285785 is applicable to the research of coronavirus infections.

VP1 ligand-1 (Scheme 1 A 1) is a VP1 ligand. VP1 ligand-1 acts as a ligand for target protein for PROTAC (Ligands for Target Protein for PROTAC) and is used for the development and design of PROTAC-based VP1 degraders, such as Jun15702. VP1 ligand-1 is applicable to EV-D68 infection research.

VKT-17-P4-23 is a blood-brain barrier-permeable DksA inhibitor. DksA is a highly conserved transcriptional regulator in Gram-negative bacteria, with a Kd of 124 μM. Through the DksA-regulated, SPI-2-dependent survival pathway, VKT-17-P4-23 exhibits antibacterial activity against both planktonic and intracellular pathogens such as Salmonella, and also effectively combats persistent bacteria that are difficult to eliminate. VKT-17-P4-23 can be used in studies of Salmonella infection.

VHR-IN-8 (Compound SA8) is a selective vaccinia H1-related (VHR) phosphatase inhibitor with an IC50 of 2.4 μM. VHR-IN-8 can be used for the research of cervical cancer.

VHR-IN-6 is a selective vaccinia H1-related (VHR) phosphatase inhibitor with an IC50 of 74 nM. VHR-IN-6 shows very weaker inhibitory activity against MKP-1 (IC50 = 0.52 μM), CD45 (IC50 = 0.50 μM), Cdc25A (IC50 = 2.8 μM), PTP1B (IC50 = 0.42 μM), and HePTP (IC50 = 0.87 μM). VHR-IN-6 inhibits the proliferation of HeLa cells. VHR-IN-6 can be used for the research of cervical cancer.

VHR-IN-4 (Compound SA7) is a selective vaccinia H1-related (VHR) phosphatase inhibitor with an IC50 of 1.8 μM. VHR-IN-4 can be used for the research of cervical cancer.

VHR-IN-3 (Compound 1) is a selective vaccinia H1-related (VHR) phosphatase inhibitor with a Ki of 0.81 μM. VHR-IN-3 mimics the phosphate group through the sulfonic acid group and competitively binds to the catalytic active center of VHR. VHR-IN-3 can be used for the research of cervical cancer.

VHR-IN-2 (Compound SA9) is a selective vaccinia H1-related (VHR) phosphatase inhibitor with an IC50 of 3.1 μM. VHR-IN-2 can be used for the research of cervical cancer.

VHL Ligand 39 is a conjugate of an E3 ligase ligand, serving as a key intermediate in the synthesis of complete PROTAC molecules.

VHL Ligand 35 (Compound 14) is a von Hippel-Lindau protein (pVHL) E3 ubiquitin ligase ligand with a Kd of 0.291 μM. VHL Ligand 35 disrupts protein-protein interaction between pVHL and hypoxia inducible factor 1α (HIF-1α).

VEGFR2/HDAC-IN-1 is a dual selective enzymatic inhibitor of VEGFR2 kinase and HDAC6 with oral activity. VEGFR2/HDAC-IN-1 has an IC50 of 19.19 nM for VEGFR2 and 0.165 μM for HDAC6. VEGFR2/HDAC-IN-1 increases α-tubulin acetylation, exerts antiproliferative effects, inhibits tumor growth, and exhibits antiangiogenic activity. VEGFR2/HDAC-IN-1 can be used for the research of colorectal carcinoma and hepatocellular carcinoma.

VEGFR-2/c-Met/EGFR-IN-1 is a VEGFR-2/c-Met/EGFR inhibitor with IC50 values of 0.014 μM, 0.072 μM, and 0.94 μM, respectively. c-Met-IN-27 inhibits neovascularization in the chick chorioallantoic membrane (CAM) assay and exhibits in vivo anti-angiogenic activity. c-Met-IN-27 can be used in angiogenesis-related research.

Valyllysine (Val-Lys) is a renoprotective peptide. Valyllysine can be found in G. chorda soluble proteins following hydrolysis by thermolysin. Valyllysine effectively ameliorates pathological renal injury.

Val-Cit-Exatecan is a peptide-linked anti-tumor payload that can be used for the synthesis of antibody-drug conjugates (ADC). Val-Cit-Exatecan consists of DNA TopI inhibitor Exatecan and a cathepsin-cleavable ADC linker (valine-citrulline). Val-Cit-Exatecan can be used in the research of colorectal cancer, gastric cancer, breast cancer, non-small cell lung cancer, ovarian cancer, head and neck cancer, pancreatic cancer, cervical cancer, and melanoma.

VA-111913 (VT-913) is a vasopressin receptor V1A antagonist (Ki = 1.74 nM). VA-111913 reduces uterine contractions and improves uterine blood flow by inhibiting vasopressin, thereby alleviating dysmenorrhea. VA-111913 can be used for research on menstrual pain.

V11294 is a phosphodiesterase 4 (PDE4) inhibitor with a Ki value of 436 nM against human lung PDE4. V11294 exhibits anti-inflammation activity.

USP1-IN-16 is a USP1 inhibitor with an USP1-UAF1 IC50 value of 0.002 μM. USP1-IN-16 can be used in the research of USP1-related malignancies.

USP1-IN-14 (compound 27) is a ubiquitin-specific protease 1 (USP1) inhibitor with an IC50 of 0.001 µM. USP1-IN-14 can be used for USP1-related cancers, autoimmune and inflammatory disorders research.

Usistapide (JNJ-16269110) is a microsomal triglyceride transfer protein (MTP) inhibitor. Usistapide is promising for research of obesity.

UNPD139734 is a CDK-1 inhibitor and PARP-1 inhibitor that forms stable complexes with each target protein. UNPD139734 serves as a lead compound for structural optimization to develop dual-target anticancer agents targeting CDK-1 and PARP-1.UNPD139734 can be used for the research of breast cancer.

UK 343664 is a potent, orally active and selective PDE5 inhibitor. UK 343664 partially reverses Thromboxane-induced pulmonary hypertension.

UDP-α-sulfoquinovose is a nucleoside metabolite.

UDP-N-acetylmuramoyl-L-alanyl-D-glutamyl-6-carboxy-L-lysyl-D-alanyl-D-alanine is a nucleoside metabolite.

UDP-Mannose exists in mouse brain, especially hypothalamus and neocortex at a higher concentration compared to other organs. UDP-Mannose regulates glycosylation, in particular mannosylation in specific organs or conditions. UDP-Mannose can be used as a substrate for structural study of glycosyltransferase.

UDP-2-alkyne-GlcNAc (Compound 3) is a UDP-GlcNAc derivative. UDP-2-alkyne-GlcNAc can be used for the remodeling of cell surface glycans.

UCM-A86 is a selective positive allosteric modulator of GluN1/GluN3 NMDA receptors with EC50 values of 21 µM and 19 µM at GluN1/GluN3A and GluN1/GluN3B receptors, respectively. UCM-A86 selectively potentiates responses from GluN1/GluN3A/B over GluN1/GluN2A-D receptors. UCM-A86 can be used in the research of central nervous system diseases.

UAWJ-247 is a potent and reversible SARS-CoV-2 main protease (Mpro) inhibitor with an IC50 of 0.042 μM and a Ki of 0.035 μM. UAWJ-247 can be used for the research of covid-19.