22575
Biological activity of Pd ( II ) complexes with mono - and disubstituted pyridines - Experimental and theoretical studies .
 Chemical: Pd ( II ); Chemical: mono - and disubstituted pyridines
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: Pd ( II ); Chemical: mono - and disubstituted pyridines