26018
The polysulfone of 2 , 2 - diallyl - 1 , 1 , 3 , 3 - tetraethylguanidinium chloride showed protection of erythrocytes against hydrogen peroxide and thermal shock , protected epithelial cells against UV irradiation , was not toxic for erythrocytes , epithelial cells SPEV and 3T3 fibroblasts .
 Chemical: polysulfone; Chemical: 2 , 2 - diallyl - 1 , 1 , 3 , 3 - tetraethylguanidinium chloride; Chemical: hydrogen peroxide
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
 Entities: polysulfone, 2 , 2 - diallyl - 1 , 1 , 3 , 3 - tetraethylguanidinium chloride, hydrogen peroxide 
Answer:
 Chemical: polysulfone; Chemical: 2 , 2 - diallyl - 1 , 1 , 3 , 3 - tetraethylguanidinium chloride; Chemical: hydrogen peroxide