Kappa agonists, Cyclic compounds, www.tcichemicals.com, www.sigmaaldrich.com, Heterocyclic compounds (4 or more rings)
Matrine is an alkaloid found in plants from the Sophora genus. It has a variety of pharmacological effects, including anti-cancer effects, as well as κ-opioid and μ-opioid receptor agonism. Matrine possesses strong antitumor activities in vitro and in vivo.
Indoline is an aromatic heterocyclic organic compound with the chemical formula C8H9N. It has a bicyclic structure, consisting of a six-membered benzene ring fused to a five-membered nitrogen-containing ring. The compound is based on the indole structure, but the 2-3 bond is saturated.
4-hydroxybenzophenone, ion(1-) · para-hydroxybenzophenone
Benzamide is an off-white solid with the chemical formula of C6H5CONH2. It is a derivative of benzoic acid. It is slightly soluble in water, and soluble in many organic solvents.