.alpha.-Acetamido-.gamma.-thiobutyrolactone 1195-16-0 2-Acetamido-4-mercaptobutyric acid thiolactone AHCT AHCTL Acetamide, N-(tetrahydro-2-oxo-3-thienyl)- BO 714 Citiolase Citiolone N-(Tetrahydro-2-oxo-3-thienyl)acetamide N-Acetylhmocysteinethiolactone N-Acetylhomocysteine thiolactone NSC22878 Thioxidrene