7790
A series of 19 new compounds related to pyrazinamide were synthesized , characterized with analytical data and screened for in vitro whole cell antimycobacterial activity against Mycobacterium tuberculosis H37Rv , Mycobacterium kansasii and two types of Mycobacterium avium .
 Chemical: pyrazinamide
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: pyrazinamide