Wytensin vs antihypertensive

Wytensin and antihypertensive both are nouns.

Word	Noun	Adjective	Verb	Adverb
Wytensin	Yes	No	No	No
antihypertensive	Yes	No	No	No

As nouns, antihypertensive is a hypernym of Wytensin; that is, antihypertensive is a word with a broader meaning than Wytensin:

Wytensin: antihypertensive drug (trade name Wytensin) that reduces blood pressure by its effect on the central nervous system
antihypertensive: a drug that reduces high blood pressure

Other hypernyms of Wytensin include antihypertensive drug.

Wytensin (noun)	antihypertensive (noun)
antihypertensive drug (trade name Wytensin) that reduces blood pressure by its effect on the central nervous system	a drug that reduces high blood pressure