Mydalene or Mydaleine: How To spell?

The word Mydalene is misspelled against Mydaleine, a noun meaning "A toxic alkaloid (ptomaine) obtained from putrid flesh and from herring brines. As a poison it is said to execute profuse diarrhoea, vomiting, and intestinal inflammation."

Word contains consecutive vowels 'EI' in between alphabets mydal & ne is misspelled as 'E' as letter 'I' is phonetically ignore
Wrong Spelling:  mydal-e-ne 
Correct Spelling:  mydal-ei-ne 
Explore spell check of Mydaleine to spell without errors.