Definition: A nucleoside that is composed of adenine and d-ribose. Adenosine or adenosine derivatives play many important biological roles in addition to being components of DNA and RNA. Adenosine itself is a neurotransmitter.
Ticagrelor [ 3-(7-((2-(3,4-difluorophenyl)cyclopropyl)amino)-5-(propylthio)-3H-(1-3)-triazolo(4,5-d)pyrimidin-3-yl)-5-(2-hydroxyethoxy)cyclopentane-1,2-diol,AZD 6140,AZD-6140,AZD6140,Brilinta,Brilique ] a P2Y(12) antagonist with antiplatelet activity; structure in first source