13390
Cell death was induced at relatively low concentrations by perfluorooctyl sulfonate ( PFOS ) , perfluorooctane sulfonylamide ( PFOSA ) and the fluorotelomer alcohol 1H , 1H , 2H , 2H - perfluorodecanol ( FTOH 8 : 2 ) with EC ( 50 ) - values of 62 +/- 7 . 6 , 13 +/- 1 . 8 and 15 +/- 4 . 2 mu M ( mean +/- SD ) respectively .
 Chemical: perfluorooctyl sulfonate; Chemical: PFOS; Chemical: perfluorooctane sulfonylamide; Chemical: PFOSA; Chemical: fluorotelomer alcohol; Chemical: 1H , 1H , 2H , 2H - perfluorodecanol; Chemical: FTOH 8 : 2
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: perfluorooctyl sulfonate; Chemical: PFOS; Chemical: perfluorooctane sulfonylamide; Chemical: PFOSA; Chemical: fluorotelomer alcohol; Chemical: 1H , 1H , 2H , 2H - perfluorodecanol; Chemical: FTOH 8 : 2