25735
Interestingly , 6 - OH - PBDE - 47 induced apoptosis at concentrations above 7 . 5 mu M inhibited proliferation at 2 . 5 - 5 mu M while suppressing neuronal and oligodendrocyte differentiation at submicromolar concentrations ( <= 1 mu M ) .
 Chemical: 6 - OH - PBDE - 47
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: 6 - OH - PBDE - 47 
Answer:
 Chemical: 6 - OH - PBDE - 47