pentamethylenetetrazol vs Metrazol

pentamethylenetetrazol and Metrazol both are nouns.

Word	Noun	Adjective	Verb	Adverb
pentamethylenetetrazol	Yes	No	No	No
Metrazol	Yes	No	No	No

As nouns, pentamethylenetetrazol and Metrazol are synonyms defined as:

pentamethylenetetrazol and Metrazol: a drug used as a circulatory and respiratory stimulant; larger doses cause convulsions in shock therapy; Metrazol is a trademark

Other synonyms of pentamethylenetetrazol include pentylenetetrazol.

pentamethylenetetrazol (noun)	Metrazol (noun)
a drug used as a circulatory and respiratory stimulant; larger doses cause convulsions in shock therapy; Metrazol is a trademark	a drug used as a circulatory and respiratory stimulant; larger doses cause convulsions in shock therapy; Metrazol is a trademark