vitamin B2 vs hepatoflavin

vitamin B2 and hepatoflavin both are nouns.

Word	Noun	Adjective	Verb	Adverb
vitamin B2	Yes	No	No	No
hepatoflavin	Yes	No	No	No

As nouns, vitamin B2 and hepatoflavin are synonyms defined as:

vitamin B2 and hepatoflavin: a B vitamin that prevents skin lesions and weight loss

Other synonyms of vitamin B2 include lactoflavin, ovoflavin, riboflavin, vitamin G.

vitamin B2 (noun)	hepatoflavin (noun)
a B vitamin that prevents skin lesions and weight loss	a B vitamin that prevents skin lesions and weight loss