Quinidex vs quinidine

Quinidex and quinidine both are nouns.

Word	Noun	Adjective	Verb	Adverb
Quinidex	Yes	No	No	No
quinidine	Yes	No	No	No

As nouns, Quinidex and quinidine are synonyms defined as:

Quinidex and quinidine: cardiac drug (trade names Quinidex and Quinora) used to treat certain heart arrhythmias

Other synonyms of Quinidex include Quinora.

Quinidex (noun)	quinidine (noun)
cardiac drug (trade names Quinidex and Quinora) used to treat certain heart arrhythmias	cardiac drug (trade names Quinidex and Quinora) used to treat certain heart arrhythmias