Metacroleun or Metacrolein: How To spell?

The word Metacroleun is misspelled against Metacrolein, a noun meaning "A polymeric modification of acrolein obtained by heating it with caustic potash. It is a crystalline substance having an aromatic odor."

Word contains consecutive vowels 'EI' in between alphabets metacrol & n is misspelled as 'EU'
Wrong Spelling:  metacrol-eu-n 
Correct Spelling:  metacrol-ei-n 
Check more misspelled words of Metacrolein to spell it correct.