13570
All compounds ( 1 - 6 ) showed cytotoxic effects in 3T3 cells , but compounds ( 2 ) and ( 6 ) were highly cytotoxic in this lineage when compared to compound ( 1 ) .
 None
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 None