OR-1896 is an active long-lived metabolite of Levosimendan. OR-1896 is a highly selective phosphodiesterase (PDE) III isoform inhibitor and a powerful vasodilator. OR-1896 can open ATP-sensitive K+ channels and has Ca2+-sensitizing effect. OR-1896 mitigates cardiomyocyte apoptosis, cardiac remodeling and myocardial inflammation.

N-Methyl Duloxetine hydrochloride is an analgesic. N-Methyl Duloxetine (hydrochloride) elicits both tonic and use-dependent block of neuronal Na+ channels.

Ethyl tosylcarbamate is an intermediate in the synthesis of Gliclazide (G409877). Gliclazide is a whole-cell beta-cell ATP-sensitive potassium currents blocker with an IC50 of 184 nM.

(R)-Verapamil hydrochloride ((R)-(+)-Verapamil hydrochloride) is a P-Glycoprotein inhibitor. (R)-Verapamil hydrochloride blocks MRP1 mediated transport, resulting in chemosensitization of MRP1-overexpressing cells to anticancer drugs.

Norverapamil ((±)-Norverapamil), an N-demethylated metabolite of Verapamil, is a L-type calcium channel blocker and a P-glycoprotein (P-gp) function inhibitor.

CFTR corrector 4 (Compound 13), an active (R,R)-form enantiomer, is a highly potent and orally active cystic fibrosis transmembrane conductance regulator (CFTR) corrector. CFTR corrector 4 can increase CFTR levels at the cell surface and have the potential for treatment of cystic fibrosis.

GLPG-3221 is a potent, orally active corrector of CFTR (cystic fibrosis transmembrane conductance regulator), with an EC50 of 105 nM. GLPG-3221 can be uesd for the treatment of cystic fibrosis.

Dibutyryl-cGMP sodium (Bt2cGMP sodium) is a cell-permeable cGMP analogue. Dibutyryl-cGMP sodium preferentially activates cGMP-dependent protein kinase (PKG). Dibutyryl-cGMP sodium inhibits the release of [3H]-arachidonic acid from γ thrombin-stimulated human platelets. Dibutyryl-cGMP sodium induces peripheral antinociception via activation of ATP-sensitive K+ channels.

(E)-GABAB receptor antagonist 1 is a trans-GABAB receptor antagonist 1. GABAB receptor antagonist 1 (compound 14) is a selective and negative allosteric modulator of GABAB (γ-Aminobutyric acid) receptors. (E)-GABAB receptor antagonist 1 decreases GABA-induced IP3 (inositol trisphosphate) production with IC50 of 37.9 μM.

Chlormethiazole is an potent and orally active GABAA agonist. Chlormethiazole inhibits cytochrome P450 isoforms: CYP2A6 and CYP2E1 in human liver microsomes. Chlormethiazole is an anticonvulsant agent and has the potential for treating convulsive status epilepticus.

SLC13A5-IN-1 is a selective sodium-citrate co-transporter (SLC13A5) inhibitor. SLC13A5-IN-1 completely blocks the uptake of 14C-citrate with an IC50 value of 0.022 μM in HepG2 cells. SLC13A5-IN-1 has the potential for the treatment of metabolic and/or cardiovascular diseases. SLC13A5-IN-1 is extracted from patent WO2018104220A1, Compound I-5.

D-Tubocurarine chloride pentahydrate is the chloride salt form of Tubocurarine, a nicotinic acetylcholine receptors (AChR) antagonist, and can be used as a skeletal muscle relaxant during surgery or mechanical ventilation. D-Tubocurarine chloride pentahydrate is also a potent neuromuscular blocking agent.

Brevetoxin-3 (PbTx-3) is a potent allosteric voltage-gated Na+ channel activator and has multiple active centers (A-ring lactone, C-42 of R side chain). Brevetoxin-3 (PbTx-3) has a high affinity to site 5 of the voltage-sensitive Na+ channels, inhibits the inactivation of Na+ channels and prolongs the mean open time of these channels. Brevetoxin-3 (PbTx-3) repeated exposures can lead to prolonged airway hyperresponsiveness (AHR) and lung inflammation.

Resolvin D2 is a metabolite of docosahexaenoic acid (DHA), with anti-inflammatory, anti-infective activities. Resolvin D2 is a potent regulator of leukocytes and controls microbial sepsis. Resolvin D2 is a remarkably potent inhibitor of TRPV1 (IC50 = 0.1 nM) and TRPA1 (IC50 = 2 nM) in primary sensory neurons.

Tifenazoxide (NN414) is a potent, orally active and SUR1/Kir6.2 selective KATP channels opener. Tifenazoxide has antidiabetic effect, can inhibit glucose stimulated insulin release in vitro and in vivo, and has a beneficial effect on glucose homeostasis.

VU041 is a first submicromolar-affinity inhibitor of Anopheles (An.) gambiae and Aedes (Ae.) aegypti inward rectifier potassium 1 (Kir1) channels with IC50 values of 2.5 μM and 1.7 μM, respectively. VU041 inhibits appreciably is mammalian Kir2.1 (IC50 of 12.7 μM), and has less inhibitory effect on mammalian Kir1.1, Kir4.1, Kir6.2/SUR1, and Kir7.1. VU041 also induces impaired Malpighian tubule function.

5-Hydroxylansoprazole (AG1908) is an active metabolite of Lansoprazole in plasma. Lansoprazole is metabolized by CYP2C19 forming 5-Hydroxylansoprazole. Lansoprazole is a gastric proton-pump inhibitor and is effective in the treatment of various peptic diseases.

Hyperforin dicyclohexylammonium salt (Hyperforin DCHA) is a transient receptor canonical 6 (TRPC6) channels activator. Hyperforin dicyclohexylammonium salt modulates Ca2+ levels by activating Ca2+-conducting non-selective canonical TRPC6 channels. Hyperforin dicyclohexylammonium salt shows antidepressant effect.

GDC-0276 is a potent, selective, reversible and orally active NaV1.7 inhibitor with an IC50 value of 0.4 nM. GDC-0276 is well tolerated and exhibits a good pharmacokinetic profile. GDC-0276 has the potential for the treatment of pain and to address shortcomings of existing pain medications, such as addiction and off-target side effects.

A-935142 is a human ether-a-go-go-related gene (hERG, Kv 11.1) channel activator. A-935142 enhances hERG current in a complex manner by facilitation of activation, reduction of inactivation, and slowing of deactivation, and abbreviates atrial and ventricular repolarization.

GSK1702934A is a selective TRPC3 agonist. GSK1702934A modulates cardiac contractility and f arrhythmogenesis by activation of TRPC3.

Abeprazan hydrochloride (DWP14012 hydrochloride) is a potassium-competitive acid blocker. Abeprazan hydrochloride inhibits H+, K+- ATPase by reversible potassium-competitive ionic binding with no acid activation required. Abeprazan hydrochloride is developed as a potential alternative to proton pump inhibitor for the treatment of acid-related diseases.

QX-314 chloride is a membrane-impermeable permanently charged sodium channel blocker.

3-Bromocytisine (3-Br-cytisine) is a potent nACh receptors agonist, with IC50s are 0.28, 0.30 and 31.6 nM for hα4β4, hα4β2, and hα7-nACh, respectively. 3-Bromocytisine (3-Br-cytisine) shows different effects on high (HS) and low (LS) ACh sensitivity α4β2 nAChRs with EC50s are 8 and 50 nM, respectively.

SIB-1553A is an orally bioavailable nicotinic acetylcholine receptors (nAChRs) agonist, with selectivity for β4 subunit-containing nAChRs. SIB-1553A is also a selective neuronal nAChR ligand. SIB-1553A is a cognitive enhancer, and has therapeutic potential for the symptomatic treatment of Alzheimer’s disease and other cognitive disorders.

Zoniporide (CP-597396) hydrochloride hydrate is a potent and selective inhibitor of sodium-hydrogen exchanger type 1 (NHE-1). Zoniporide hydrochloride hydrate inhibits human NHE-1 (IC50=14 nM), and has >150-fold selectivity versus other NHE isoforms. Zoniporide hydrochloride hydrate potently inhibits ex vivo NHE-1-dependent swelling of human platelets (IC50=59 nM).

PG01 is a potent CFTR Cl- channel potentiator. PG01 can correct gating defects of CFTR mutants, is effective on b>E193K, G970R and G551D (CFTR mutants) with Kd values of 0.22 μM, 0.45 μM and 1.94 μM, respectively. PG01 is also effective on ΔF508 (Ka of 0.3 μM). PG01 increases ΔF508-CFTR Cl- current after adding Forskolin.

QX-314 bromide is a membrane-impermeable permanently charged sodium channel blocker.

ATPA is a selective glutamate receptor GluR5 activator with EC50s of 0.66, 9.5, 1.4, 23, 32, 18, and 14 μM for GluR5wt, GluR5(S741M), GluR5(S721T), GluR5(S721T, S741M), GluR5(S741A), GluR5(S741L), and GluR5(S741V), respectively.

PPADS tetrasodiuma is a non-selective P2X receptor antagonist. PPADS tetrasodiuma blocks recombinant P2X1, -2, -3, -5 with IC50s ranging from 1 to 2.6 μM. PPADS tetrasodiuma blocks native P2Y2-like (IC50~0.9 mM) and recombinant P2Y4 (IC50~15 mM) receptors. PPADS tetrasodiuma is an inhibitor of the reverse mode of the Na/Ca²⁺exchanger in guinea pig airway smooth muscle.