SW IV-52 is a pro-apoptotic small molecule SMAC mimetic and XIAP inhibitor.

SW IV-134 is a sigma-2/SMAC drug conjugate, chemically linked the sigma-2 ligand SW43 to the Smac mimetic SW IV-52.SW IV-134 slowed tumor growth and improved survival in murine models of pancreatic cancer.SW IV-134 significantly reduced tumor burden and improved overall survival in a mouse xenograft model of ovarian cancer without causing significant adverse effects to normal tissues.SW IV-134 induced degradation of cIAP-1 and cIAP-2 leading to NF-қB activation and TNFα-dependent cell death.

SU086 is an inhibitor of HSP90, binds to HSP90-alpha and HSP90-beta isoforms, decreases HSP90 protein levels in prostate cancer cells.SU086 is a potent inhibitor of prostate cancer cell growth, migration, and invasion in vitro, significantly inhibited growth of AR-positive CRPC cell lines (C4-2), AR-negative (DU145 and PC-3) CRPC cells, and CRPC cells with expression of AR and AR splice variant, AR-V7 (22Rv1) (IC50 <10 uM).SU086 inhibits prostate cancer growth in preclinical models of prostate cancer in vivo.SU086 strongly enhances the anti-tumor activity of standard of care second-generation anti-androgens enzalutamide and abiraterone and inhibits prostate cancer cell growth in vitro and tumor growth in vivo.

STS66 is a novel BBB-penetrant NKCC1 inhibitor.STS66 treatment completely blocked the ischemia-induced elevation of pNKCC1, which is superior to BMT and STS5.STS66 showed efficacy against permanent focal ischemic brain injury with hypertension comorbidity.

STING agonist 22 is a novel, non-nucleotide specific small-molecule STING agonist with IC50 of 28, 11 uM for human STING isoforms WT and HAQ, respectively.STING agonist 22 did not show any cytotoxicity in an immune cell proliferation panel across a variety of immune cell types and also did not show any activity in a kinome panel.STING agonist 22 introduced higher levels of iFIT3 and MX1 mRNA across three different donors possessing different STING genotypes: WT/WT, WT/HAQ, and WT/R232H in human PBMCs (IC50=5-35 uM).STING agonist 22 demonstrated in vivo antitumor effect in an MC38 mice model, with STING pathway activation and production of type I IFNs and proinflammatory cytokines, serum levels of IL-6, G-SCF, and MIP-1β.

STAT3 inhibitor N4 is a small molecule capable of inhibiting the STAT3 SH2 domain with IC50 of 0.57 uM, SPR KD of 1.04 uM, inhibits STAT3 dimerization and transcription in vitro and suppresses pancreatic cancer in vivo.N4 suppresses STAT3 activation in pancreatic cancer cells, suppresses pancreatic cancer cell growth, migration, and induces apoptosis.N4 (20 mg/kg, i.p.) suppresses pancreatic cancer growth, exhibits potent anti-metastatic activity in a pancreatic cancer liver metastasis mouse model, and prolongs survival of tumor-bearing mice.

Stafia-1 prodrug is the cell‐permeable prodrug of Stafia-1, suitable for cell based assays, inhibits tyrosine phosphorylation of STAT5a with selectivity over STAT5b in cultured human leukemia cells.

ST-115 (ST115) is a potent and specific inhibitor of aminopeptidase P2 (XPNPEP2, APP2) with IC50 of 3.7 nM.ST-115 does not inhibit ACE, neprilysin, or multiple other enzymes, and littile inhibition against Aminopeptidase P1/A/B/N (IC50=600 nM->10 uM).ST-115 can reduce bradykinin degradation, increasing its concentration and protective effects when administered intravenously at the start of reperfusion, reduced damaged area of the heart in a mouse model of myocardial infarction.In a rat model of ischemic stroke, ST-115 reduced functional deficits in a skilled walking test by 60% and reduced brain edema by 51%.ST-115 also reduced brain infarct size by 48% in a major subset of rats with small strokes.

SSCI-1 is a highly potent, selective NaV1.7 inhibitor with IC50 of 27 and 82 nM on human and rhesus Nav1.7 channels, respectively.SSCI-1 showed robust selectivity over other human and rhesus Nav channel paralogs, with the exception of Nav1.2 channels (IC50 252 nM for hNaV1.2), shows no other channels and receptors in 114 enzymatic, radioligand binding, and cellular assays.SSCI-1 also exhibits high potency in manual patch clamp experiments (IC50=66/295 nM for huma/rhesus Nav1.7 channels).SSCI-1 does not affect myelinated nerve excitability as measured by TT, SSCI-1 inhibits odorant-induced olfaction in the olfactory bulb of rhesus monkeys, measured by fMRI.SSCI-1 inhibits withdrawal responses to noxious heat in rhesus monkeys.

SS-4 (STAT3 inhibitor SS-4) is a highly selective small molecule inhibitor of STAT3 tyrosine phosphorylation that potently inhibits GBM tumorigenesis in vitro and in vivo.SS-4 strongly and selectively inhibits STAT3 Y-705 phosphorylation in MT330 and LN229 GBM cells and inhibits their proliferation and inducs apoptosis with an IC50 of 100 nM.SS-4 increases the expression of STAT3 repressed genes, while decreasing the expression of STAT3 promoted genes.SS-4 markedly reduces the growth of GBM intracranial tumor xenografts.

SRX3262 is a potent, triple BTK/PI3K/BRD4 inhibitor.

SRX3212 (SRX 3212) is a potent, dual BRD4/PI3Kα inhibitor with IC50 of 3.7 nM (BRD4 BD1) and 32 nM (BRD4 BD2), IC50 of 22 nM for PI3Kα.SRX3212 demonstrated strong anti-cancer activity in cyclinD1 dependent mantle cell lymphoma cell lines (Jeko-1, Mino and Z138), a colon carcinoma cell line (HCT116), a MYCN amplified p53 mutated neuroblastoma cell line (SKNBE2) and a PTEN mutated prostate cancer cell line (PC3), with nanomolar to low micromolar IC50 values.

SRI-41897 is a specific small molecule inhibitor of HIV-1 N-terminal region of NL4-3 Vpu (HIV-1 NL4-3 Vpu) with EC50 of 4.4 uM in the GaLV inhibition assays.SRI-41897 blocks Vpu-mediated modulation of CD4, BST-2/Tetherin and antibody dependent cell-mediated toxicity (ADCC).SRI-41897 rescues CD4 surface expression by 47% on infected TZM-GFP cells, also rescues the expression of CD4 and Tetherin in human peripheral blood mononuclear cells (PBMCs).

SR-302 (SR302) is a potent, selective cell-active dual DDR/p38 inhibitor with IC50 of 23/18/125/196 nM for DDR1/DDR2/p38α/p38β, respectively.

SR1555 is a selective RORγ inverse agonist (IC50=1.5 uM) that suppresses T(H)17 cells and stimulates T regulatory cells; SR1555 is devoid of LXR, FXR, and RORα activity, displaces [3H]T0901317 from the ligand binding domain (LBD) of RORγ with IC50 of 1 uM; represses the expression of RORγ while leading to increased expression of FGF21 and adipoQ in pre-adipocyctes, inhibits activation of hormone-sensitive lipase and increased fatty acid oxidation in obese diabetic mice.

SPH5030 is a selective, potent, and irreversible HER2 mutants inhibitor with IC50 of <1 nM against HER2 D769H, D769Y, V777L and R896C mutants.SPH5030 exhibits high relative HER2 selectivity compared with neratinib and pyrotinib.SPH5030 shows significant in vivo antitumor efficacy in xenograft mouse models, especially in a HER2 mutation A775_G776insYVMA xenograft mouse mode.

SP23 is a STING protein degrader (PROTAC) based on a small-molecule STING inhibitor (C-170) and pomalidomide (a CRBN ligand), shows degradation potency with DC50 of 3.2 uM.SP23 exerted high anti-inflammatory efficacy in a cisplatin-induced acute kidney injury mouse model by modulating the STING signaling pathway.

SN-6109 (SN6109) is a small molecule inhibitor RIPK-1 with IC50 of 0.45 uM in radiometric kinase assays.SN-6109 reduced MLKL activation EC50 2.5-11.5 uM under long-term necroptosis execution in murine fibroblast L929 cells, and full protection from ATP depletion and membrane leakage in human and murine cells.SN-6109 decreased p-MLKL/MLKL and p-RIPK3/RIPK3 ratios in mouse liver tissue, showed efficacy in an in vivo model of tissue injury and inflammation driven by RIPK1/3-dependent cell death.

SMYD3 inhibitor 29 is a highly potent, selective, covalent inhibitor of histone methyltransferase SMYD3 with IC50 of 11.7 nM.SMYD3 inhibitor 29 exhibits high potency by inhibiting SMYD3's enzymatic activity and showing antiproliferative activity against HepG2 in 3D cell culture (GI50=1.04 uM).SMYD3 inhibitor 29 inhibits cellular MAP3K2 methylation.SMYD3 inhibitor 29 displayed high selectivity when tested against a panel of methyltransferases, namely, SMYD1-2, G9a, PRDM9, and PRMT5.

SMIP-30 is a potent and selective inhibitor of PPM1A with IC50 of 1 uM, selectively inhibits the phosphatase activity of PPM1A.SMIP-30 shows poor inhibitory activity against closest homolog PPM1B (IC50>30 uM).SMIP-30 is an uncompetitive inhibitor for PPM1A (Ki=0.84 uM), does not exhibit any cytotoxic effects up to 30 uM in THP-1 macrophages.SMIP-30 dose-dependently reduces the Mtb burden in infected macrophages, and is well tolerated in vivo and combined with rifampicin reduces Mtb burden in the lungs of infected mice.SMIP-30 induces LC3B-II expression, activates autophagy in Mtb-infected macrophages in a PPM1A-dependent manner.SMIP-30 induces a dose-dependent increase in phosphorylation of S403-p62 in WT macrophages.

SKI-73 is a CARM1 chemical probe with pro-drug properties, can readily penetrate cell membranes and then be processed into two active CARM1 inhibitors.SKI-73 (10 uM) fully suppresses the methylation of BAF155 Arg1064 in MCF-7 cells.SKI-73 inhibits in vitro invasion but not proliferation of breast cancer cells ( MDA-MB-231 cell, EC50=1.3 uM).SKI-73 recapitulates the anti-invasion effect of the genetic perturbation of CARM1.Either CARM1 knockout or CARM1 inhibition with SKI-73 alters the epigenetic plasticity in a proliferation-independent manner by replacing the most invasion-prone subpopulation with the non-invasive subpopulation(s) to suppress the invasive phenotype.

SJ018 (SJ-018) is a potent, highly selective BET BD2 inhibitor with Kd of 14 nM (BRD2-BD2), 67-fold selectivity over BRD2-BD1. SJ018 is more effective than JQ1 in increasing FRAP in cells, potently inhibits MV4-11 cell growth with GI50 of 2-3 nM (Days3-7).

SIRT6 activator CL5D is a novel small-molecule activator of SIRT6 deacetylation, stimulates 4-fold activation of SIRT6 (1 uM) against H3K9ac (20 uM) at 3 uM.CL5D demonstrate competitive inhibition with Ki of 13.4 uM.CL5D exhibited time-dependent deacetylation at H3K9 by SIRT6 in HEK293T cells.

SIRT5 inhibitor 32 is an efficient, cellularly active small molecule that targets SIRT5.SIRT5 inhibitor 32 inhibits cell growth of SIRT5-dependent AML cell lines SKM-1, OCIAML2 and MOLM-13 with IC50 of 9, 20, and 24 uM, respectively.SIRT5 inhibitor 32 is also shown to inhibit SIRT5 in HeLa cells by using an assay that produce in-cell fluoresence in response to SIRT5 activity in the mitochondria.SIRT5 inhibitor 32 displays cytoselective toxicity towards SIRT5-dependent AML cells (SKM-1) over HEK293T cells in culture.

SIRT3 inhibitor 8 is a SIRT3 selective inhibitor with IC50 of 6 uM, 6.8- and 5.3-fold selectivity for SIRT3 versus SIRT1 and SIRT2.SIRT3 inhibitor 8 reduced DLBCL cell viability and triggered activation of autophagy.

SIRT2 inhibitor 56 is a potent selective SIRT2 inhibitor with IC50 of 780 nM.SIRT2 inhibitor 56 displays >300 to >800-fold selectivity over SIRT1 and 3, respectively.SIRT2 inhibitor 56 dose-dependently increases tubulin acetylation in treated non-small cell lung cancer cell line NCI-H460.SIRT2 inhibitor 56 shows cytotoxicity in in B-cell lymphoma and other cancer cell lines (Raji cell IC50=9.1 uM).SIRT2 inhibitor 56 induces apoptosis and shows anti-proliferation effect in OCI-Ly8-LAM53 (OCI) cells.

SIRT2 inhibitor 55 is a potent and selective SIRT2 inhibitor with IC50 of 250 nM.SIRT2 inhibitor 55 displays >300 to >800-fold selectivity over SIRT1 and 3, respectively.SIRT2 inhibitor 55 dose-dependently increases tubulin acetylation in treated non-small cell lung cancer cell line NCI-H460.SIRT2 inhibitor 55 shows cytotoxicity in in B-cell lymphoma and other cancer cell lines (Raji cell IC50=11.9 uM).

SI-109 (SI 109) is a selective, high-affinity and cell-permeable STAT3 SH2 domain inhibitor with Ki of 9 nM, component of STAT3 degrader SD-36 (PROTAC).

SHP2 PROTAC R1-5C is a potent and highly selective SHP2 PROTAC created by conjugating RMC-4550 with pomalidomide using a PEG linker, with a low nanomolar DC50; SHP2 PROTAC R1-5C is highly selective for SHP2, induces degradation of SHP2 in leukemic cells at submicromolar concentrations. SHP2 PROTAC R1-5C inhibits MAPK signaling, and suppresses cancer cell growth. SHP2 PROTACs serve as an alternative strategy for targeting ERK-dependent cancers and are useful tools alongside allosteric inhibitors for dissecting the mechanisms by which SHP2 exerts its oncogenic activity.

SH045 (SH-045, Larixyl-6-N-methylcarbamate) is a potent, selective TRPC6 antagonist (blocker) with IC50 of 63 nM.SH045 displays 13-fold subtype selectivity over TRPC3 in stably expressing HEK293 cells.Treatment of isolated perfused lung preparations with SH045 led to a decrease in lung ischemia-reperfusion edema (LIRE), a life-threatening condition associated with TRPC6 that may occur after organ transplantation.