29720
The cause of the disease is still unknown despite accumulating in vivo and in vitro evidence of massive epidermal oxidative stress via H2O2 and peroxynitrite ( ONOO ( - ) ) in affected individuals .
 Chemical: H2O2; Chemical: peroxynitrite; Chemical: ONOO ( - )
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: H2O2; Chemical: peroxynitrite; Chemical: ONOO ( - )