30043
Herein , we investigated the effect of a natural neuroprotective flavonoid , calycopterin , on H2O2 - induced disruption of phase II detoxifying enzyme system and cAMP response element binding protein ( CREB ) phosphorylation .
 Chemical: calycopterin; Chemical: H2O2; Chemical: cAMP
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: calycopterin; Chemical: H2O2; Chemical: cAMP