Spartaune or Sparteine: How To spell?

The word Spartaune is misspelled against Sparteine, a noun meaning "A narcotic alkaloid extracted from the tops of the common broom (Cytisus scoparius, formerly Spartium scoparium), as a colorless oily liquid of aniline-like odor and very bitter taste."

Word contains consecutive vowels 'EI' in between alphabets spart & ne is misspelled as 'AU'
Wrong Spelling:  spart-au-ne 
Correct Spelling:  spart-ei-ne 
Check more misspelled words of Sparteine to spell it correct.