20024
Sixty one compounds , grouped as the 6H , 6 - dialkylaminoalkyl , 6 - acylaminoalkyl and sulfonylaminoalkyl derivatives , were tested for cytotoxicity , their effects on phytohemagglutin A ( PHA ) - induced proliferative response of human peripheral blood mononuclear cells ( PBMC ) and lipopolysaccharide ( LPS ) - induced tumor necrosis factor alpha ( TNF - alpha ) production by these cells .
 Chemical: 6 - dialkylaminoalkyl; Chemical: 6 - acylaminoalkyl; Chemical: sulfonylaminoalkyl
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: 6 - dialkylaminoalkyl; Chemical: 6 - acylaminoalkyl; Chemical: sulfonylaminoalkyl