8171
LC - MS was used to characterize and estimate the concentrations of FDV and its metabolites in cerebral spinal fluid ( seizure patients , rabbit , and monkey ) and brain homogenate ( rabbit , minipig , and monkey ) .
 FDV
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Chemical 
Text: {0} 
Answer:
 FDV