In 1901, Jōkichi Takamine patented a purified extract from the adrenal glands which was trademarked by Parke, Davis & Co in the US. The British Approved Name and European Pharmacopoeia term for this drug is hence<unk> . However, the pharmacologist John Abel had already prepared an extract from adrenal glands as early as 1897, and coined the name epinephrine to describe it (from the Greek epi and nephros, "on top of the kidneys"). In the belief that Abel's extract was the same as Takamine's (a belief since disputed), epinephrine became the generic name in the US, and remains the pharmaceutical's United States Adopted Name and International Nonproprietary Name (though the name<unk>  is frequently used). The terminology is now one of the few differences between the INN and BAN systems of names. Although European health professionals and scientists preferentially use the term<unk> , the converse is true among American health professionals and scientists. Nevertheless, even among the latter, receptors for this substance are called adrenergic receptors or adrenoceptors, and pharmaceuticals that mimic its effects are often called adrenergics. The history of<unk>  and epinephrine is reviewed by Rao.
Adrenaline
Synephrine
Norepinephrine
Norepinephrine 
Adrenomedullin
Dobutamine
Dopamine
Dopamine 