7550
We have shown that E ( 2 ) at physiological concentrations prevented apoptosis induced by H ( 2 ) O ( 2 ) in C2C12 skeletal myoblasts .
 Chemical: H ( 2 ) O ( 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: H ( 2 ) O ( 2 )