19128
Liquid acetaminophen preparations contain propylene glycol , a common excipient that has been shown to reduce hepatocellular injury in vitro and in rodents .
 Chemical: acetaminophen; 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: acetaminophen; Chemical: propylene glycol