We don't have synonyms for thiamins yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are thiamine, thiamin and thiamines.
(n) :
Alternative spelling of thiamine. [(biochemistry) One of the constituents of vitamin B complex, found in meat, yeast and bran, that is necessary for the metabolism of carbohydrates.]
(n) :
Alternative spelling of thiamine. [(biochemistry) One of the constituents of vitamin B complex, found in meat, yeast and bran, that is necessary for the metabolism of carbohydrates.]