Teverelix (EP 24332) is a GnRH antagonist. Teverelix binds competitively and reversibly to GnRH receptors, thereby suppressing the release of LH and FSH. Teverelix can be used in the research of prostatic hyperplasia, endometriosis, and prostate cancer.

Isothipendyl (AY 56012), an azaphenothiazine derivative, is a potent histamine 1 (H1) receptor antagonist. Isothipendyl is a primary metabolite.

Phenindamine (Nu 1504) is an antihistamine.

Dimethindene is a potent, selective histamine H1 antagonist. Dimethindene impairs cutaneous wound healing (WH). Dimethindene can block K+ currents.

Levocabastine (R 50547) is a potent and selective histamine H1-receptor antagonist. Levocabastine hydrochloride is also a selective, high affinity neurotensin receptor subtype 2 (NTR2) antagonist, with a Ki of 17 nM for mNTR2. Levocabastine can act as a VLA-4 antagonist, interferes with conjunctival eosinophil infiltration in allergic conjunctivitis (AC).

Methapyrilene is a histamine antagonist, a pyridine chemical with anticholinergic activity. Methapyrilene can cause target organ-specific epigenetic alterations, such as a decrease in DNA methylation levels. Methapyrilene induces hepatocellular carcinoma in rats.

Phenyltoloxamine (Bistrimin) is an antihistamine agent with sedative and analgesic effects. Phenyltoloxamine also has potent Sigma-1 receptor binding affinity (Ki: 160 nM).

Parapenzolate bromide, an antispasmodic, is an orally active mAChR antagonist. Parapenzolate bromide is an anticholinergic agent.

Oxyphencyclimine is an orally active muscarinic receptor (mAChR) antagonist. Oxyphencyclimine is effective in reducing ulceration index and increasing pepsin activity in rat gastric ulcer model. Oxyphencyclimine can be used in studies of peptic ulcer disease and gastrointestinal spasm.

Pirenzepine (LS 519 free base) is a selective M1 mAChR (muscarinic acetylcholine receptor) antagonist. Pirenzepine reduces gastric acid secretion and reduces muscle spasm, can be used in peptic ulcers research. Pirenzepine shows anti-proliferative activity to cancer cells.

Homatropine is an orally active muscarinic acetylcholine receptor antagonist and can be used as an anticholinergic agent.

THX-B is a potent and non-peptidic p75NTR (neurotrophin receptor p75) antagonist. THX-B can be used in the research of diabetic kidney disease, neurodegenerative and inflammatory disorders.

Opipramol (Ensidon) is an atypical tricyclic antidepressant (TCA). Opipramol acts primarily as a sigma (σ) receptor agonist and can potently interact with sigma recognition sites with a Ki value of 50 nM. Opipramol can be used for the research of generalized anxiety disorder (GAD).

L-Adenosine is a metabolically stable enantiomeric analog and also is a potential probe. L-Adenosine has weakly inhibitory adenosine deaminase (ADA) activity with an Ki value of 385 μM. L-Adenosine can be used for the research of adenosine uptake and accumulation.

BI-2081 is a GPR40 (FFAR1) partial agonist (EC50: 4 nM). BI-2081 induces glucose depending insulin secretion and reduces the plasma glucose concentration. BI-2081 can be used in the research of metabolic diseases, in particular diabetes type 2.

TP-051 is a potent FFAR1 agonist with an Ki value of 16 nM for human FFAR1. TP-051 can increase insulin secretion in rat insulinoma cells. TP-051 can be used to research type 2 diabetes.

Tabernanthalog is a water-soluble, non-hallucinogenic and non-toxic analogue of ibogaine. Tabernanthalog is a 5-HT2A agonist. Tabernanthalog is found to promote structural neural plasticity, reduce alcohol- and heroin-seeking behaviour, and produce antidepressant-like effects in rodents.

Tetrahydro-β-carboline (Tryptoline) is a metabolite of tryptamine, also is a competitive serotonin reuptake inhibitor with an Ki value of 6.1 µM.

RS100329 hydrochloride is a potent and selective α1A-adrenoceptor antagonist with pKi values of 9.6, 7.9 and 7.5 for α1A, α1D, and α1B, respectively. RS100329 hydrochloride inhibits reflex urethral contractions. RS100329 hydrochloride can be used in research of benign prostatic hyperplasia.

Upidosin (Rec 15/2739) is an α-1 adrenoceptor (α-1 AR) antagonist. Upidosin shows moderate selectivity for the α-1A AR subtype. Upidosin shows uroselectivity in urethra and prostate with a Kb value of 2-3 nM higher than in ear artery and aorta with a Kb value of 20-100 nM. Upidosin inhibits [3H]prazosin binding to cloned human α-1A adrenergic receptor. Upidosin can be used for the research of urethral obstruction.

L-745870 is a high-affinity, selective and orally active antagonist of human dopamine D4 receptor with Ki of 0.43 nM. L-745870 considerably weaker D2 and D3 receptors affinity with Ki of 960 nM and 2300 nM, respectively. L-745870 has excellent brain penetration.

Acyline , a GnRH peptide analogue, is a GnRH antagonist that inhibits gonadotropin and testosterone (T) levels.