4, {4'-Dithiobis[2-aminobutyric} acid\] 462-10-2 870-93-9 AIDS-159849 AIDS159849 Butanoic acid, {4,4'-dithiobis[2-amino-,} (R*,R*)-(.+-.)- Butanoic acid, {4,4'-dithiobis[2-amino-} Butyric acid, 4, {4'-dithiobis[2-amino-} Butyric acid, {4,4'-dithiobis[2-amino-,} DL- DL-4,4'-Dithiobis(2-aminobutyric acid) DL-Homocystine Homocystine NSC11337 NSC226570 Oxidized DL-Homocysteine