Awon irisi woyi je ti kemika ti wa bii zwitterion ninu adapo.IUPAC/IUBMB tun ti so awon oruko agekuru amino acid meji wonyi..Awon itokasi ati akiyesi.. 
Wọ́n sin Osborne ní Ọjọ́ kínín Oṣù kejìlá ní  Acacia Park Cemetery, Chicago.. 