SNIPER(ER)-110 is a nongenetic IAP-dependent protein eraser (SNIPER) targeting estrogen receptor α (ERα), induces ERα degradation and induces apoptosis in MCF-7 human breast cancer cells.

SNIPER(AR)-51 is a specific and nongenetic, protein degradation inducer of androgen receptor, consistiong of AR ligand and IAP ligand and linker.

SNIPER(ABL)-062 is a novel, potent SNIPER molecule that tethers BCR-ABL inhibitor to a ligand of IAP, causes potent BCR-ABL degradation.

SNAP-94847 is a selective, high-affinity, and competitive MCH1 receptor (MCH1-R) antagonist with Ki of 1.69 nM.

SNAP-7941 is a selective, high-affinity, and competitive MCH1 receptor (MCH1-R) antagonist with Ki of 15 nM.

SN79 dihydrochloride (Sigma receptor ligand SN79) is a putative σ receptor antagonist with nanomolar affinity and selectivity for σ receptors over 57 other binding sites.

SN-32976 is a novel, potent and selective class I PI3K and mTOR inhibitor with IC50 of 15.1/461/110/134/194 nM for PI3Kα/PI3Kβ/PI3Kγ/PI3Kδ/mTOR, respectively.

SN 2 is a novel and potent small molecule activator of TRPML3 with EC50 of 1.13 uM.

Smoothib is a novel potent inhibitor of hedgehog (Hh) signaling (IC50=157±118 nM) and an antagonist of the protein smoothened (Smo), binds to the heptahelical bundle of Smo with Kd of 59 nM.

Smo antagonist M25 is a potent Smoothened (Smo) receptor antagonist (IC50=5 nM) that inhibits the Hedgehog signaling pathway.

SMND-309 is a novel derivative of salvianolic acid B, and has shown protective effects against rat cortical neuron damage in vitro and in vivo.

SMN-C3 is a selective, orally available small molecule SMN2 splicing modifier toward the production of full-length SMN2 messenger RNA with high selectivity.

SMN-C2 is a close analogs of RG-7916 act as selective RNA-binding ligands that modulate pre-mRNA splicing.

SMN2 modulator 27 is a novel SMN2 modulator that stabilize the SMN protein with EC50 of 0.29 uM.

SMIP004 is a novel inducer of cancer-cell selective apoptosis of human prostate cancer cells, it was found to downregulate SKP2 and to stabilize p27.

SMER3 is a selective inhibitor of a yeast SCF family E3 ubiquitin ligase (SCFMet30) in vitro and in vivo.

SMARt-420 (BDM 41420) is a small molecule that can fully reverses ethionamide-acquired resistance and clears ethionamide-resistant M. tuberculosis infection in mice, also increases the basal sensitivity of bacteria to ethionamide..

SMAP-2 (DT-1154) is an orally bioavailable small molecule activator of PP2A, binds to PP2A Aα scaffold subunit and inhibits KRAS-driven tumor growth both in vitro and in vivo.

SM-324405 is a potent, selective TLR7 agonist with EC50 of 50 nM, induces IFN-α and -γ expression in human PBMCs and mouse splenocytes, inhibits IL-5 production in human PBMCs in vitro..

SM253 (SM 253, SM-253) is a novel potent Hsp90 inhibitor that does not induce heat shock response.

SM13 is a novel small molecule that blocks p53-MDM2 interaction and induces apoptosis both in vitro and in vivo.

SM-1295 is a potent, selective cIAP1 and cIAP2 inhibitor with Ki of <10 nM, displays >900-fold for cIAP1 over XIAP.

SLLN-15 (Autophagy inducer SLLN-15) is a potent, orally available inducer of autophagy that selectively activated cytostatic macroautophagy/autophagy in TNBC preclinical models, promotes AURKA degradation and .

SLC25A20-IN-21 is a SLC25A20 ligand that increases long-chain (>C14) acylcarnitine content and reduces maximal exogenous fatty acid oxidation in HSC-5 cells.

SKLB-C05 is a novel selective, orally active TOPK inhibitor with IC50 of 0.5 nM, shows excellent cytotoxicity and anti-migration and invasion activity on TOPK high-expressing CRC cells and induces cell apoptosis.

SKLB188 is a novel multikinase inhibitor and potently inhibits EGFR with IC50 of 5 nM.

SKF-38393 is a potent, selective D1/D5 receptor partial agonist with Ki of 1 and 0.5 nM, respectively.

SKF 82958 hydrobromide is a D1/D5 receptor full agonist.

SK609 (SK-609, ES609) is a potent, selective agonist of dopamine D3 receptor with a bias towards the G-protein-dependent pathway rather than recruiting β-arrestin-2 and an EC50 value of 113.9 nM for activation of ERK1/2 phosphorylation.

SK 216 is a potent, selective inhibitor of plasminogen activator inhibitor-1 (PAI-1) with IC50 of 44 uM.