3727676 -OEChem-02060822572D 0 0 0 0 0 0 0 0 0999 V2000 M END > 3727676 > 2 > ChemIDplus > 000815792 > 815-79-2 Butanedioic acid, 2,3-dihydroxy-, calcium salt (1:1), (2R,3S)-rel- > 815-79-2 > 000815792 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=000815792 $$$$