28162
The myocardial protective bioassay indicated that compounds 13 and 14 with a concentration of 10 ( - 4 ) M exhibited significantly protective effect against H2O2 - induced apoptosis in cardiomyocytes .
 H2O2
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Chemical 
Text: {0} 
Answer:
 H2O2