EN523 (EN-523) is a small molecule covalent ligand EN523 that targets a non-catalytic allosteric cysteine C23 in the K48-ubiquitin-specific deubiquitinase OTUB1, OTUB1 recruiter component of DUBTAC NJH-2-057.Deubiquitinase-targeting chimeras (DUBTACs), heterobifunctional small molecules consisting of a deubiquitinase recruiter linked to a protein-targeting ligand, to stabilize the levels of specific proteins degraded in a ubiquitin-dependent manner.

EMU-116 (EMU-000116) is a potent, selective CXCR4 antagonist with IC50 29.6 nM in Ca2+ flux assay.

EMI66 (EMI-66) is a small molecule that attenuates RTK expression and signalling and alters the electrophoretic mobility of Coatomer Protein Complex Beta 2 (COPB2, binding Kd=1.51 uM) in lung cancer cells.EMI66 affects the subcellular localization of EGFR and COPB2, altering the endoplasmic reticulum (ER) stress response pathway, resulting in growth inhibition of mutant EGFR lung cancer cells and organoids.EMI66 inhibited total EGFR and MET levels, activation, and downstream signalling at lower concentrations than EMI1, also binds to recombinant COPB2 protein with an increased affinity compared to EMI1.EMI66 exerts an anti-proliferative effect (EC50=3-5 uM) on primary lung cancer organoid models, including XDO-137 (EGFR ex19del), PDXO-4000 (EGFR ex19del) and XDO-344 (wild-type EGFR).

EC-11716 (EC/11716) is a novel mycobacterium tuberculosis gyrase inhibitor with potent anti-tubercular activity (MIC 0.38 uM, M. tuberculosis H37Rv).EC/11716 is active against M. abscessus subspecies and clinical isolates, maintains comparable activity against a panel of clinical isolates covering the M. abscessus complex.EC/11716 is effective against M. abscessus biofilms (MIC 0.78 uM), with better bactericidal activity against biofilms than moxifloxacin.EC/11716 is active against M. abscessus in vivo.

Durlobactam is a novel beta-lactamase inhibitor for treatment of resistant bacterial infections.

Dual DRAK1 and DRAK2 inhibitor 1 is a potent, dual DRAK2/1 inhibitor Kd value of 9/5 nM, respectively; Dual DRAK1 and DRAK2 inhibitor 1 also is a functional inhibitor of DRAK2/1 enzymatic activity with IC50 of 0.86 and 2.25 uM. Dual DRAK1 and DRAK2 inhibitor 1 is a chemical tool compound to study DRAK1 and DRAK2 biology.

DRB18 (DRB-18) is a potent, pan-class I glucose transporter (GLUT) inhibitor, reduces glucose uptake in HEK293 cell lines expressd single GLUT1-4 with IC50 of 0.9-8.8 uM.DRB18 reduced cell viability in a dose-dependent manner in cancer cell lines (A549 IC50=3.5 uM, HeLa IC50=1.3 uM), also exhibited IC50 values < 10 μM in all nine melanoma cell lines.DRB18 rapidly and potently inhibited glucose transport and glucose metabolism, inhibited multiple metabolic pathways associated with glucose metabolism in A549 cells.DRB18 caused G1/S phase arrest and increased oxidative stress in A549 cells.DRB18 (10mg/kg) inhibited the growth of A549 tumors xenografted in nude mice.

DPC168 (DPC-168) is a highly potent, selective CC chemokine receptor-3 (CCR3) antagonist with IC50 of 2.0 nM, inhibits eotaxin-induced chemotaxis with IC50 of 0.034 nM.DPC168 demonstrates potency for mouse CCR3 (chemotaxis IC50=41 nM) and oral bioavailability in mice (20% F).DPC168 reduced eosinophil recruitment into the lungs in a dose-dependent manner in these animal models.

D-NA-NOXA SAHB-15 R31E is a peptidic, functionally selective and cell-permeable BFL-1/A1 inhibitor that is specifically cytotoxic to BFL-1/A1-dependent human cancer cells.

DNA gyrase inhibitor EN-7 (EN-7) is a potent bacterial DNA gyrase inhibitor, is active against pathogenic species that are resistant to ciprofloxacin and other clinically important antibiotics.EN-7 inhibited growth of the wild-type strain (S. aureus) with MIC 1 μM.Strains containing GyrA A34T (mut-3 and mut-9), GyrA P219Q (mut-6), and GyrB K417E (mut-1, mut-2, mut-4, and mut-5) exhibited moderate resistance, with MICs of either 4 or 8 μM.EN-7 inhibited sporulation pathway in the bacterial genus Streptomyces.

DN200434 (DN-200434) is a highly potent (functional IC50=6 nM, binding IC50=40 nM), selective, biocompatible and orally available ERRγ inverse agonist.DN200434 binds to key ERRγ binding pocket residues through four-way interactions.DN200434 effectively upregulated iodide-handling genes and restored radioiodine avidity in ATC tumor lesions.DN200434 enhanced ATC tumor radioiodine therapy susceptibility, markedly inhibiting tumor growth.DN200434 shows higher potency than GSK5182.

DMA-135 (DMA135) is a RNA-biased small molecule binds to the EV71 SLII IRES domain (Kd=520 nM), dose-dependently (IC50=7.54 uM) inhibits EV-71 viral translation and replication.DMA-135 inhibits EV71 replication by attenuating IRES-dependent translation at dosages of relatively low cellular toxicity.DMA-135 changes the local and global structure of the EV71 SLII IRES domain.DMA-135 allosterically stabilizes a AUF1 (cellular protein)-SLII-(DMA-135) ternary complex.

DMA-135 (DMA135) is a RNA-biased small molecule binds to the EV71 SLII IRES domain (Kd=520 nM), dose-dependently (IC50=7.54 uM) inhibits EV-71 viral translation and replication.DMA-135 inhibits EV71 replication by attenuating IRES-dependent translation at dosages of relatively low cellular toxicity.DMA-135 changes the local and global structure of the EV71 SLII IRES domain.DMA-135 allosterically stabilizes a AUF1 (cellular protein)-SLII-(DMA-135) ternary complex.

DL-175 is a potent and selective biased GPR84 agonist with EC50 of 33 nM.DL-175 exhibits no significant activity in a panel of 168 other GPCRs.DL-175 display significantly biased signaling across GPR84-overexpressing cells, primary murine macrophages, and human U937 cells.DL-175 markedly different abilities to induce chemotaxis in human myeloid cells, while causing similar levels of phagocytosis enhancement.

DK1-04 is a potent, selective, cell-permeable small-molecule SIRT5 inhibitor with IC50 of 0.34 uM, shows no inhibition on SIRT1-3/6 at 83 uM.

Dichloro-all-trans-retinone (DAR) is an irreversible inhibitor of retinaldehyde dehydrogenase (RALDH/ALDH1A) with IC50 of 434/55/161 nM for RALDH1/RALDH2/RALDH3.Dichloro-all-trans-retinone has no activity on human mitochondrial ALDH2.Dichloro-all-trans-retinone inhibits ATRA synthesis in a RALDH2 expressing cell line with IC50 of 3 uM.The retinaldehyde dehydrogenase (RALDH, also ALDH1A) subfamily consists of three members, RALDH1 (ALDH1A1), RALDH2 (ALDH1A2), and RALDH3 (ALDH1A3), which synthesize all-trans-retinoic acid (ATRA) from retinaldehyde.

Dichlorcyclizine (DCCZ) is a potent, small molecule HCV fusion inhibitor, also inhibits SARS-CoV and SARS-CoV-2 S-mediated infection in MA104 cells with EC50 of 9.92 and 4.53 uM, respectively.

DI-1548 (DI 1548) is a potent, selective and covalent DCN1 inhibitor with IC50 of 4.6 nM and Ki of <1 nM, does not bind to DCN3.DI-1548 could inhibit cullin 3 neddylation at concentration as low as 1 nM, which is 1000 times more potent than DI-591.DI-1548 selectively inhibit neddylation of cullin 3 in cells at low nanomolar concentrations and are 2-3 orders of magnitude more potent than our previously reported reversible DCN1 inhibitor DI-591.

DGY-09-192 is a bivalent degrader (PROTAC) that couples the pan-FGFR inhibitor BGJ398 to a CRL2VHL E3 ligase recruiting ligand,preferentially induces FGFR1/2 degradation while largely sparing FGFR3/4.DGY-09-192 exhibited two-digit nanomolar DC50s for both wildtype FGFR2 and several FGFR2-fusions, resulting in degradation-dependent antiproliferative activity in representative gastric cancer and cholangiocarcinoma cells (IC50=1 nM).DGY-09-192 induced degradation of a clinically relevant FGFR2 fusion protein in xenograft model.

DF2593A (DF 2593A) is a potent, selective, noncompetitive allosteric inhibitor of C5aR with IC50 of 5 nM (C5a-induced human PMN migration inhibition), and rat and mouse orthologs (IC50=6.0 nM and IC50=1.0 nM, respectively); dispalys >1,000-fold selective versus other chemoattractants, including CXCL8 and CXCL1 (CI50>10 uM), as well as on a panel of different GPCRs and ion channels; DF2593A demonstrated antinociceptive effects in several models of inflammatory pain and effectively inhibited articular hyperalgesia in CFA-induced mechanical and thermal hyperalgesia and arthritic nociception.

DDO-6600 (DDO 6600) is a potent, selective, covalent inhibitor of Hsp90, covalently modifies Cys598 on Hsp90 and disrupts the interaction between Hsp90 and Cdc37 (IC50=6.67 uM).DDO-6600 exhibited antiproliferative activities against multiple tumor cells without inhibiting ATPase activity.DDO-6600 induced the degradation of kinase client proteins in multiple tumor cell lines, promoted apoptosis, and inhibited cell motility.DDO-6600 exhibits antitumor activity in HCT-116 mouse models.

DDC-01-163 is an allosteric EGFR degrader that selectively inhibit the proliferation of L858R/T790M (L/T) mutant Ba/F3 cells while leaving wildtype EGFR Ba/F3 cells unaffected; DDC-01-163 exhibited an acceptable biochemical potency with an IC50 value of 45 nM against EGFR L858R/T790M. DDC-01-163 is also effective against osimertinib-resistant cells with L/T/C797S and L/T/L718Q EGFR mutations. The anti-proliferative activity of DDC-01-163 against L858R/T790M EGFR-Ba/F3 cells is enhanced when combined with an ATP-site EGFR inhibitor, Osimertinib.

DC-TEADin1072 is a novel TEAD1/3 covalent inhibitor with biochemical IC50 values of 0.61 and 0.58 uM against TEAD1 and TEAD3, respectively.TEADin1072 selectively inhibited TEAD1 and TEAD3 palmitoylation while sparing TEAD2 and TEAD4.TEADin1072 demonstrated selective engagement with Cys371 of TEAD3 and Cys359 of TEAD1.

DCP1-3 is a novel allosteric ligand of the angiotensin receptor AT1R, displays NAM potency on AngIV with IC50 of 0.29 uM.DCP1-3 reduces AngII-induced contraction in renal and iliac arteries in mice.DCP1-3 inhibits IgG binding to HEK-AT1R cells with IC50 of 2.9 nM.DCP1-3 reverses PAM effect of the IgG on the agonist-induced calcium response.

DC-CBi-22 is a highly potent, selective CECR2 bromodomain inhibitor with IC50 of 8.0 nM, 24.9-fold selectivity over BPTF BRD.

DCBS152A is a potent, functionally selectiver negative modulator of GABAA receptor at the modulatory PQ site in some receptor isoforms.

DC541 (DC 541) is a potent, selective peptidomimetic inhibitor of Protein N-terminal methyltransferase NTMT1 with IC50 of 0.34 uM; DC541 exhibits over 300-fold selectivity to several methyltransferases. DC541 inhibited funtions the cellular α-N-terminal methylation level of regulator of chromosome condensation 1 (RCC1, IC50 value of 30 μM) in human colorectal cancer HT29 cells.

dBRD9‐A is a chemical degrader (PROTAC) of BRD9, a highly specific binder of the BRD9 bromodomain and elicits near complete BRD9 degradation at low nanomolar concentrations.dBRD9‐A blocks synovial sarcoma tumour progression and oncogenic transcription.dBRD9‐A limited IFN‐induced expression of certain ISGs in multiple cell types, significantly reduced induction of 29 ISGs, including many ISGs known to harbor antiviral activity against the viruses, such as MX1, MX2, IFITM1, IFITM3, IDO1, and BST2.

DA-1241 (DA1241) is a novel potent, highly selective GPR119 agonist, activates human GPR119 (EC50=4.37 nM) in increasing cAMP levels in GPR119-overexpressing HEK293 cells.DA-1241 increased cAMP levels via activated mouse GPR119 (EC50, 71.5 nM) and rat GPR119 (EC50, 156 nM).DA-1241 showed no significant activity against 156 off-target proteins at 10 uM, including human GLP-1 receptor and human GPR40.DA-1241 stimulated insulin secretion in hamster insulinoma HIT-T15 cells with EC50 of 22.3 nM, association with enhanced human insulin promoter activity.DA-1241 significantly reduced postprandial glucose excursion, significantly preserved β-cell mass with reduced PDX1 levels in the islets from HFD/STZ diabetic mice.DA-1241 reduced triglyceride content in the liver thereby improved fatty liver, reduced gluconeogenic enzyme expression in HepG2 cells and mouse liver, reduced autophagic flow in HepG2 cells.

DA-0218 (DA0218) is a novel potent, selective Nav1.7 inhibitor, inhibits sodium currents in Nav1.7-expressing human embryonic kidney 293 cells with IC50 of 0.74 uM.DA-0218 has no effect on sodium currents in Nav1.5-transfected human embryonic kidney 293 cells in patch-clamp experiments.DA-0218 shows analgesic activity predominantly in phase II in formalin-induced inflammatory pain mouse model.DA-0218 produced acute reduction in paclitaxel-induced mechanical allodynia, and inhibited histamine-induced acute itch and lymphoma-induced chronic itch.