19345
Compounds 4 , 6 , 16 , and 17 ( 10 mu M ) had moderate hepatoprotective activities against d - galactosamine - induced HL - 7702 cell damage .
 Chemical: d - galactosamine
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: d - galactosamine