We don't have synonyms for ethanolamines yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are ethanolamine.
(n) :
(chemistry) a hydroxy-amine, HO.CH₂.CH₂.NH₂, manufactured by the reaction of ethylene oxide with ammonia; it is found naturally in a combined form in cephalin, and has many industrial applications
(n) :
(chemistry) a hydroxy-amine, HO.CH₂.CH₂.NH₂, manufactured by the reaction of ethylene oxide with ammonia; it is found naturally in a combined form in cephalin, and has many industrial applications