monothioglycerol1-mercapto-2,3-propanediol1-mercaptoglycerol1-monothioglycerol1-thio-2,3-propanediol1-thioglycerol2,3-dihydroxypropanethiol3-mercapto-1,2-propanediol3-mercaptopropane-1,2-diolalpha-thiolglycerolmonothioglycerinmonothioglycerolthioglycerinthioglycerinethioglycerol