24265
Ionic conductivities and dielectric constants of 0 . 0055 mol . L ( - 1 ) tetrabutylammonium trifluoromethanesulfonate in 2 - pentanone , 2 - hexanone , 2 - heptanone , 2 - octanone , 2 - nonanone , and 2 - decanone were also measured .
 Chemical: tetrabutylammonium trifluoromethanesulfonate; Chemical: 2 - pentanone; Chemical: 2 - hexanone; Chemical: 2 - heptanone; Chemical: 2 - octanone; Chemical: 2 - nonanone; Chemical: 2 - decanone
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: tetrabutylammonium trifluoromethanesulfonate; Chemical: 2 - pentanone; Chemical: 2 - hexanone; Chemical: 2 - heptanone; Chemical: 2 - octanone; Chemical: 2 - nonanone; Chemical: 2 - decanone