Wiktionary
thienopyridine
n. (context medicine English) Any of a class of drugs, having a structure based on a thiophene ring fused to one of tetrahydropyridine, that have anti-platelet activity
Wikipedia
Thienopyridine
Thienopyridines are a class of selective, irreversible ADP receptor/ P2Y12 inhibitors used for their anti- platelet activity.