19133
Propylene glycol , an established CYP2E1 competitive antagonist , was detected in the liquid formulation but not solid formulation arm .
 Chemical: Propylene glycol
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: Propylene glycol