H3B-120 is a competitive, selective and allosteric inhibitor of carbamoyl phosphate synthetase 1 (CPS1) with IC50 of 1.5 μM and Ki of 1.4 μM. H3B-120 exhibits anti-tumor activity.

Dehydrosoyasaponin I (Soyasaponin Be;DHS-I), a triterpene glycoside, is a potent and reversible calcium-activated potassium (maxi-K) channels activator.

VU0463271 quarterhydrate is a potent KCC2 antagonist, with an IC50 of 61 nM.

AMP-PNP tetralithium (Adenylyl-imidodiphosphate tetralithium) is a non-hydrolysable analogue of ATP and inhibits KATP channels.

12,14-Dichlorodehydroabietic acid, a chlorinated resin acid, is a potent Ca2+-activated K+ (BK) channel opener. 12,14-Dichlorodehydroabietic acid blocks GABA-dependent chloride entry in mammalian brain and operates as a non-competitive GABAA antagonist. 12,14-Dichlorodehydroabietic acid increases cytosolic free Ca2+ and stimulates transmitter release.

Dihydroisopimaric acid activates large conductance Ca2+ activated K+ (BK) channels alphabeta1 in the direct measurement of BKalphabeta1 opening under whole-cell voltage clamp.

5-Hydroxydecanoate sodium is a selective ATP-sensitive K+ (KATP) channel blocker (IC50 of ~30 μM). 5-Hydroxydecanoate sodium is a substrate for mitochondrial outer membrane acyl-CoA synthetase and has antioxidant activity.

A2793 is an efficient TWIK-related acid-sensitive K+ channel (TASK)-1 inhibitor, with an IC50 of 6.8 μM.

Minoxidil sulfate, a potent and ATP-sensitive K+ channel opener, is the sulfated metabolite of minoxidil. Minoxidil sulfate is considered as a vasodilator to promote hair growth in vivo.

2,2,2-Trichloroethanol, the active form of the sedative hypnotic drug chloral hydrate, is an agonist for the nonclassical K2P channels TREK-1 (KCNK2) and TRAAK (KCNK4).

Tetraethylammonium chloride is a non-selective potassium channel blocker. Tetraethylammonium chloride is a good substrate for organic cation transporter (OCTN1). Tetraethylammonium chloride antitumor properties.

Cloperastine hydrochloride inhibits the hERG K+ currents in a concentration-dependent manner with an IC50 value of 27 nM.

Isopimaric acid is a potent opener of large conductance calcium activated K+ (BK) channels.

O-Nornuciferine, an aporphine-type alkaloid from lotus leaf, is a potent hERG channel inhibitor.

Charybdotoxin TFA, a 37-amino acid peptide isolated from venom of the scorpion Leiurus quinquestriatus var. hebraeus, is a K+ channel blocker.

ShK-Dap22 is a potent Kv1.3-specific immunosuppressive Polypeptide. ShK-Dap22 is a selective Kv1.3 channel blocker with IC50s of 23 pM, 1.8 nM, 10.5 nM, 37 nM, and 39 nM for mKv1.3, mKv1.1, hKv1.6, mKv1.4, and rKv1.2 channels, respectively.

ShK-Dap22 TFA is a potent Kv1.3-specific immunosuppressive Polypeptide. ShK-Dap22 TFA is a selective Kv1.3 channel blocker with IC50s of 23 pM, 1.8 nM, 10.5 nM, 37 nM, and 39 nM for mKv1.3, mKv1.1, hKv1.6, mKv1.4, and rKv1.2 channels, respectively.

Agitoxin-2 is a K+ channel inhibitor, with IC50 values of 201 pM and 144 pM for mKV1.3 and mKV1.1, respectively).

Agitoxin-2 TFA is a K+ channel inhibitor, with IC50 values of 201 pM and 144 pM for mKV1.3 and mKV1.1, respectively).

Spadin, a natural peptide derived from a propeptide released in blood, is able to block the TREK-1 (KCNK2 or K2P2.1) channel activity. Spadin binds specifically to TREK-1 with an affinity of 10 nM. Spadin is an efficient antidepressant in mice.

Spadin TFA, a natural peptide derived from a propeptide released in blood, is able to block the TREK-1 (KCNK2 or K2P2.1) channel activity. Spadin TFA binds specifically to TREK-1 with an affinity of 10 nM. Spadin TFA is an efficient antidepressant in mice.

Chlorahololide C, a lindenane sesquiterpenoid dimer, is isolated from Chloranthus holostegius. Chlorahololide C is a potent and selective potassium channel blocker, with an IC50 of 3.6 μM.