YN11 is a STAT3 inhibitor (Kd=11.9 μM). YN11 directly binds to the SH2 domain of STAT3, inhibits the phosphorylation of STAT3, and reduces the expression of downstream target proteins. YN11 induces cell cycle arrest, promotes apoptosis, and inhibits cell invasion and migration in prostate cancer cells. YN11 suppresses tumor growth in a prostate cancer xenograft mouse model. YN11 does not cause significant body weight loss or obvious histopathological changes in major organs in xenograft mice. YN11 is applicable to relevant research on prostate cancer.

YM-796 dihydroxybutanedioate is a selective muscarinic M1 receptor agonist. YM-796 dihydroxybutanedioate can improve cognitive impairment and reduce amyloid plaque deposition. YM-796 dihydroxybutanedioate can be used in the research of cognitive impairment diseases such as Alzheimer's disease.

YM 133 (IMC-XV) is a semisynthetic macrolide antibiotic with potent bactericidal activity. YM 133 shows activity against Erythromycin-, Josamycin-, and rokitamycin-resistant (MIC ≥ 100 μg/mL) strains of staphylococci, streptococci, Bacteroides spp., and Clostridium spp. YM 133 exhibits excellent activity against macrolide-resistant strains and against anaerobes. YM 133 can be used for antibacterial research.

YK-8S is a dual-targeted K-Ras (G12D/G12C) covalent inhibitor. YK-8S shows no significant binding to wild-type K-Ras and other mutants (G12R, G13D, Q61R/K). YK-8S exhibits anti-proliferative activity against H358 (G12C) and AGS (G12D) cells. YK-8S inhibits the phosphorylation of p-AKT/p-ERK in BaF3/G12D and G12C cells. YK-8S can be used for pancreatic cancer, colorectal cancer and other tumors with high incidence of G12D.

YE6144 free base is a selective prototypical interferon regulatory factor 5 (IRF5) inhibitor. YE6144 free base suppresses the disease course and is especially effective in remission maintenance in a mouse model of systemic lupus erythematosus (SLE). YE6144 free base can be used for SLE research.

YCH3971 is a PARP1 inhibitor with a PARP1 IC50 of 7.52 nM and a PARP1 EC50 of 67.75 nM. YCH3971 inhibits the proliferation of BRCA-deficient tumor cells. YCH3971 induces DNA damage, G2/M phase arrest, and caspase-mediated Apoptosis in triple-negative breast cancer cells. YCH3971 can be used for the research of BRCA-deficient tumors.

Y207–5465 is a potent and highly selective PLK2 inhibitor with an IC50 value of 584.3 nM. Y207–5465 shows only limited anti-cancer activity in HT-29 and HCT-116 cells. Y207–5465 can be used in cancer research.

Y1693 is an orally active RANKL inhibitor with a Kd of 5.03 μM for hRANKL. Y1693 inhibits the activation of the downstream c-fos/NFATc1 signaling pathway by blocking its interaction with RANK. Y1693 significantly inhibits RANKL-induced osteoclast differentiation, F-actin ring formation and bone resorptive activity, while downregulating the mRNA and protein expressions of TRAP, cathepsin K, c-fos and NFATc1. Y1693 shows no obvious cytotoxicity to bone marrow-derived macrophages and osteoclast precursor cells, and exhibits favorable ADME properties. Y1693 improves ovariectomy-induced osteoporosis in mice and reverses ligation-induced periodontal alveolar bone loss. Y1693 is applicable to research related to osteoporosis and periodontal diseases.

XSJ151 is a topoisomerase I inhibitor, stabilizing the DNA-Topo I covalent complex and inducing DNA double-strand breaks. XSJ151-induces DNA damage activates the p53-p21 signaling pathway, specifically regulating the expression of cyclins, leading to G2/M phase cell cycle arrest and disrupting the dynamic homeostasis of Bcl-2 family proteins, thereby triggering apoptosis in gastric cancer cells. XSJ151 can be used for the study of gastric cancer.

XRF-1021 is an orally active HIPK2 inhibitor (IC50 = 0.18 μM). XRF-1021 reduces the expression of fibrotic markers in TGF-β1 stimulated NRK-49F and HK-2 cells, including Fibronectin, Collagen I and α-SMA. XRF-1021 blocks TGF-β, NF-κB, p53, Wnt/β-catenin, and Notch signaling. XRF-1021 reduces renal injury and fibrosis in vivo. XRF-1021 can be used for the research of chronic kidney disease.

XH-30 is a potent, selective, and orally active PKMYT1 inhibitor, with an IC50 of 4.1 nM. XH-30 suppresses the proliferation of P53-mutated triple-negative breast cancer (TNBC) cells by inducing G2/M phase release, DNA damage, and apoptosis. XH-30 demonstrates antitumor effects in an MDA-MB-231 mouse model. XH-30 can be used for P53-mutated TNBC research.

Xemilofiban is an orally active glycoprotein IIb/IIIa blocking agent. Xemilofiban inhibits platelet aggregation. Xemilofiban reduces the incidence of thrombosis.

XAT-13 is an orally active antiallergic agent. XAT-13 binds to the active pocket of MRGPRX2, and inhibits C48/80-induced calcium influx and β-hexosaminidase release. XAT-13 can be used for the research of pseudo-allergic diseases.

Xanthine oxidase-IN-23 (Compound BPF) is an orally active, reversible, mixed-type Xanthine oxidase inhibitor with an IC50 of 3.33 μM. Xanthine oxidase-IN-23 directly binds to XOD in a reversible mixed-type manner to inhibit its catalytic activity. Xanthine oxidase-IN-23 upregulates ABCG2 and downregulates GLUT9 to promote renal urate excretion. Xanthine oxidase-IN-23 reduces serum urate levels and improves renal function in hyperuricemic mice. Xanthine oxidase-IN-23 can be used in the research of hyperuricemia.

Xanthine oxidase-IN-22 is an orally active inhibitor of xanthine oxidase (XO) (IC50: 0.0034 μM). Xanthine oxidase-IN-22 exhibits a mixed-type inhibition mode against XO. Xanthine oxidase-IN-22 reduces serum uric acid levels in mice. Xanthine oxidase-IN-22 can be used in research related to hyperuricemia and gout.

Xanthine oxidase-IN-20 is a potent and orally active xanthine oxidase (XO) inhibitor with an IC50 of 1.7 nM. Xanthine oxidase-IN-20 exhibits outstanding serum uric acid (SUA)-lowering efficacy in both mouse and rat acute hyperuricemia models. Xanthine oxidase-IN-20 shows favorable safety profile. Xanthine oxidase-IN-20 can be used for hyperuricemia and gout research.

Xanthine oxidase-IN-19 (Compound 13i) is an orally effective inhibitor of xanthine oxidase (XO), with an IC50 of 0.2 μM. Xanthine oxidase-IN-19 can significantly reduce serum uric acid levels in acute hyperuricemia rat models. Xanthine oxidase-IN-19 can be used for the study of acute hyperuricemia.

XAN-5 is a mitochondrial DNA G-quadruplex (mtG4) ligand with a Kd of 3.8 μM. XAN-5 selectively binds and stabilizes mtG4 structures, disrupting mitochondrial gene transcription and DNA replication. XAN-5 triggers mitochondrial dysfunction, ROS overproduction, G0 phase arrest and caspase-dependent apoptosis. XAN-5 inhibits autophagy and induces immunogenic cell death. XAN-5 inhibits tumor growth in a mouse liver cancer model while enhancing tumor-infiltrating CD4+ and CD8+ T cells. XAN-5 targets two cancer resistance mechanisms simultaneously. XAN-5 can be used for the research of liver cancer.

WWZ-11-098 is a selective CDK6 PROTAC degrader with DC50 of 2.6 nM. WWZ-11-098 induces degradation of CDK6 in a CRBN-dependent manner, while sparing CDK1, CDK2, CDK4, and CDK9. WWZ-11-098 induces apoptosis, G1-S cell cycle arrest and shows anti-proliferative activity in cancer cells. WWZ-11-098 exhibits antitumor efficacy in a xenograft model without signs of toxicity. WWZ-11-098 can be used for the research of leukemia. (Pink: CDK6 ligand ; Blue: Cereblon E3 ligase ligand; Black: linker).

WWQ-03-012 is a selective deSUMOylating isopeptidases DESI2 inhibitor with an IC50 of 47.3 μM. WWQ-03-012 cans induce JAK2-V617F ubiquitination-proteasome degradation with no significant effect on wild-type JAK2. WWQ-03-012 can block JAK2-STAT3/5 signaling, inhibit cell proliferation and induce apoptosis. WWQ-03-012 has a synergistic effect in combination with Ruxolitinib, further enhancing its killing effect on JAK2 mutant cells. WWQ-03-012 can be used for the research of cancer, such as myeloproliferative neoplasms.

WRN-IN-24 is an orally active allosteric covalent Werner syndrome helicase (WRN) inhibitor with an IC50 of 201 nM. WRN-IN-24 binds to a novel allosteric cavity, forms an additional hydrogen bond with K894, and functionally inhibits WRN activity. WRN-IN-24 inhibits colorectal cancer cells proliferation and exerts dose-dependent antitumor activity in xenograft mouse models. WRN-IN-24 can be used for the research of microsatellite instability-high cancers, including colorectal cancer.

WRN inhibitor 20 (Compound 14c) is a WRN degradation agent. WRN inhibitor 20 exhibits strong degradation activity in various cells, such as HCT-116 (DC50 = 1.7 µM), SW-48 (DC50 = 3.0 µM), and SW-480 (DC50 = 5.9 µM) cells. WRN inhibitor 20 exhibits potent anti proliferative, pro apoptotic, migration inhibiting, and DNA damage inducing effects in MSI-H cells. WRN inhibitor 20 can be used for research on cancer.

WMK-1 is a 1,2,4,5-tetraoxane derivative and ferroptosis inducer, with significantly higher cytotoxicity against cancer cells than non-cancerous cells. WMK-1 triggers ferroptosis in cancer cells and cancer stem cells. WMK-1 can be used for the research of cancer.

WIN 64338 is a non-peptide bradykinin B2 receptor antagonist. WIN 64338 can inhibit bradykinin-evoked trigeminal nerve stimulation.

WEE1/PKMYT1-IN-3 is the axial chiral M configuration of WEE1/PKMYT1-IN-1. WEE1/PKMYT1-IN-1 is a potent and orally active WEE1 and PKMYT1 inhibitor. WEE1/PKMYT1-IN-1 shows antiproliferation activity.

Wee1/HDAC-IN-1 is a dual Wee1/HDAC inhibitor with an IC50 of 1.2 nM for Wee1 and IC50 values of 196 nM for HDAC1, 156 nM for HDAC3, and 55 nM for HDAC6. Wee1/HDAC-IN-1 exhibits strong antiproliferative activity against MV4-11 cells with an IC50 of 0.076 μM. Wee1/HDAC-IN-1 selectively binds to Wee1 and HDACs. Wee1/HDAC-IN-1 interferes with DNA damage repair pathways and induces apoptosis in MV4-11 cells. Wee1/HDAC-IN-1 Wee1/HDAC-IN-1 can be used for the research of acute myeloid leukemia (AML).

WCF-598 is a RXRγ (Kd: 234.2 nM) and AR-V7 PROTAC degrader. WCF-598 induces RXRγ degradation via the ubiquitin-proteasome pathway and binds directly to RXRγ. WCF-598 indirectly induces AR-V7 degradation, impairs the stability of the RXRγ-AR-V7 complex, downregulates AR-V7 levels, and inhibits the transcription of downstream target genes of AR-V7. WCF-598 induces tumor cell apoptosis, inhibits cell proliferation, activates the p53 signaling pathway, and suppresses cell cycle progression. WCF-598 can be used for the research of prostate cancer. (Pink: RXRγ Target protein ligand; Blue: Cereblon ligand ; Black: linker).

VUF5207, an Impentamine analogue, is a partial agonist of histamine H3 receptor.

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.