19555
Photolysis at 400 nm leads to the formation of 17 - electron CpRu ( CO ) 2 ( * ) radicals , which react on the picosecond time scale to form 19 - electron CpRu ( CO ) 2P ( OMe ) 3 ( * ) adducts .
 Chemical: CpRu ( CO ) 2 ( * ); Chemical: CpRu ( CO ) 2P ( OMe ) 3 ( * )
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: CpRu ( CO ) 2 ( * ); Chemical: CpRu ( CO ) 2P ( OMe ) 3 ( * )