ORGANIC CHEMISTRY Chapter l CO,H CHOH CO,H COH HN CHOH CH-OH x=0 CO2H CO2H CH H tartaric acid oxalic acid lactic acid uric acid CH, COH CO,H HO-C-CO,H H-C-OH CHo,H CH,CO,H citric acid malic ac CO2H CO HO OH HO OH OH OH gallic acid Department of Chemistry, Xiamen UniversityORGANIC CHEMISTRY Department of Chemistry, Xiamen University Chapter 1 CO2H CHOH CHOH CO2H HN N H N H H N O O O CO2H CO2H CO2H CH OH CH3 tartaric acid oxalic acid lactic acid uric acid CH2CO2H C CH2CO2H HO CO2H CO2H C CH2CO2H H OH citric acid malic acid CO2H HO OH OH HO OH OH CO2 gallic acid