22435
There have been several in vivo studies performed that demonstrate the potential of hop extract and the single compound 8 - PN to alleviate climacteric symptoms like osteoporosis , vasomotoric complaints , and sexual motivation .
 Chemical: 8 - PN
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: 8 - PN