aminopyrine vs amidopyrine

aminopyrine and amidopyrine both are nouns.

Word	Noun	Adjective	Verb	Adverb
aminopyrine	Yes	No	No	No
amidopyrine	Yes	No	No	No

As nouns, aminopyrine and amidopyrine are synonyms defined as:

aminopyrine and amidopyrine: a white crystalline substance used as an analgesic and antipyretic

aminopyrine (noun)	amidopyrine (noun)
a white crystalline substance used as an analgesic and antipyretic	a white crystalline substance used as an analgesic and antipyretic