14994
The present study found that intrathecal application of broad - spectrum PTPs inhibitors orthovanadate or Bpv ( phen ) generated little effects on the paw withdrawal thresholds of intact rats to Von Frey filament stimuli .
 orthovanadate, Bpv ( phen )
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Chemical 
Text: {0} 
Answer:
 orthovanadate, Bpv ( phen )