25905
Two novel ruthenium ( II ) complexes [ Ru ( dmb ) 2 ( addppn ) ] ( ClO4 ) 2 ( 1 ) and [ Ru ( bpy ) 2 ( addppn ) ] ( ClO4 ) 2 ( 2 ) were synthesized .
 Chemical: ruthenium ( II ); Chemical: [ Ru ( dmb ) 2 ( addppn ) ] ( ClO4 ) 2; Chemical: [ Ru ( bpy ) 2 ( addppn ) ] ( ClO4 ) 2
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: ruthenium ( II ); Chemical: [ Ru ( dmb ) 2 ( addppn ) ] ( ClO4 ) 2; Chemical: [ Ru ( bpy ) 2 ( addppn ) ] ( ClO4 ) 2