pteroylmonoglutamic acid vs pteroylglutamic acid

pteroylmonoglutamic acid and pteroylglutamic acid both are nouns.

Word	Noun	Adjective	Verb	Adverb
pteroylmonoglutamic acid	Yes	No	No	No
pteroylglutamic acid	Yes	No	No	No

As nouns, pteroylmonoglutamic acid and pteroylglutamic acid are synonyms defined as:

pteroylmonoglutamic acid and pteroylglutamic acid: a B vitamin that is essential for cell growth and reproduction

Other synonyms of pteroylmonoglutamic acid include folacin, folate, folic acid, vitamin Bc, vitamin M.

pteroylmonoglutamic acid (noun)	pteroylglutamic acid (noun)
a B vitamin that is essential for cell growth and reproduction	a B vitamin that is essential for cell growth and reproduction