12068
Analysis of the relative contribution of mitochondrial respiratory chain complexes indicated that Mn ( 2 + ) - induced mitochondrial H2O2 production required the presence of complex II substrate succinate .
 Chemical: Mn ( 2 + ); Chemical: H2O2; Chemical: succinate
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 ( 2 + ); Chemical: H2O2; Chemical: succinate