Threitol is a four-carbon sugar alcohol with the molecular formula C4H10O4. It is primarily used as an intermediate in the chemical synthesis of other compounds. It is the diastereomer of Erythritol. ... Found on http://en.wikipedia.org/wiki/Threitol
1) Sugar alcohol 
Threitol is a four-carbon sugar alcohol with the molecular formula C4H10O4. It is primarily used as an intermediate in the chemical synthesis of other compounds. It is the diastereomer of Erythritol. ...