7964
In particular , neutral ' 3 + 1 ' - type complexes 9 and 10 , show IC ( 50 ) values appreciably lower than those exhibited by the reference metallodrug .
 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