25134
Derivatives 2g and 2d exhibited maximum anti - mutagenicity against Salmonella typhimurium TA 98 and TA 1538 , respectively at a low concentration of 313 mu g / plate , with comparable activity for THC evident only at 3750 mu g / plate .
 Chemical: THC
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: THC