Description  Claims  Drawing  Cited references 

US6966213B2   [0030] 
US7169236B2   [0030] 

Derivatives for HPLC analysis   [0025] 
Analytical Chemistry   [0025] 
Analytical Chemistry   [0025] 
Corrosion Inhibitor in Fuel Ethanol, Industry Guidelines, Specifications, and Procedures   [0041] 
CHEMICAL ABSTRACTS   [0055]