18809
The four reported Mn ( III ) - OOR compounds extend the number of known end - on Mn ( III ) - ( eta ( 1 ) - peroxos ) to six .
 Chemical: Mn ( III ) - OOR; Chemical: Mn ( III ) - ( eta ( 1 ) - peroxos )
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: Mn ( III ) - OOR; Chemical: Mn ( III ) - ( eta ( 1 ) - peroxos )