24862
The receptor residence time of several of these new compounds was determined for the human H4R and compared with JNJ7777120 and PF - 3893787 .
 Chemical: JNJ7777120; Chemical: PF - 3893787
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: JNJ7777120; Chemical: PF - 3893787