ChEBI

Any minor or unwanted substance introduced into the environment that can have undesired effects.

A molecular entity capable of accepting a hydron from a donor (Bronsted acid).

A xenobiotic (Greek, xenos "foreign"; bios "life") is a compound that is foreign to a living organism. Principal xenobiotics include: drugs, carcinogens and various compounds that have been introduced into the environment by artificial means.

An agent that binds to but does not activate beta-adrenergic receptors thereby blocking the actions of endogenous or exogenous beta-adrenergic agonists. beta-Adrenergic antagonists are used for treatment of hypertension, cardiac arrhythmias, angina pectoris, glaucoma, migraine headaches and anxiety.

An agent that binds to but does not activate beta-adrenergic receptors thereby blocking the actions of endogenous or exogenous beta-adrenergic agonists. beta-Adrenergic antagonists are used for treatment of hypertension, cardiac arrhythmias, angina pectoris, glaucoma, migraine headaches and anxiety.

Any drug used in the treatment of acute or chronic vascular hypertension regardless of pharmacological mechanism.

Any compound that supports healthy aging, slows the biological aging process, or extends lifespan.