Description  Claims  Drawing  Cited references 

US935712   [0015] 
WO2009061750A   [0015] 
US20030100807A1   [0016] 
US20030115792A1   [0016] 

A Concise Review of the Natural Existance, Synthesis, Properties, and Applications of Syringaldehyde   [0012] 
Hepatoprotective Effect of Syringic Acid and Vanillic Acid on CCl4-Induced Liver Injury   [0014]