Sec-O-glucosylhamaudol is one of the active ingredients isolated and purified from the herb of Ledebouriella seseloides.

BTRX-335140 is a potent and selective KOR antagonist with IC50 (KOR)=0.8 nM.

PZM21 is a potent and selective μ opioid receptor agonist with an EC50 of 1.8 nM.

[Leu5]-Enkephalin, an endogenous opioid neurotransmitter or neuromodulator, is an agonist of µ and δ opioid receptors.

LY2444296 is a short-acting kappa opioid receptor antagonist.

(R)-ZINC-3573 can activate endogenous MRGPRX2 in a human mast cell line and induce degranulation and calcium release.

ALPS is a bio-chemical reagents/chromogenic reagent.

Bevenopran is a peripheral μ-opioid receptor antagonist.

Alvimopan is a peripherally acting mu-opioid receptor (PAM-OR, IC50= 1.7 nM) antagonist for accelerating gastrointestinal recovery after surgery.

Alvimopan is a peripherally selective opioid mu receptor antagonist.

(Z)-Akuammidine is a potent μ-opioid agonist isolated and purified from the roots of Gelsemium elegans.