2876
In oxygen radical absorbance capacity and 2 , 2 - diphenyl - 1 - picrylhydrazyl radical scavenging assays , the antioxidant activity of 3G - RSV was comparable to that of RSV , whereas the radical - scavenging efficiency of 4 ' G - RSV was less than 50 % of that of RSV .
 Chemical: 2 , 2 - diphenyl - 1 - picrylhydrazyl; Chemical: 3G - RSV; Chemical: RSV; Chemical: 4 ' G - RSV; Chemical: RSV
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: 2 , 2 - diphenyl - 1 - picrylhydrazyl; Chemical: 3G - RSV; Chemical: RSV; Chemical: 4 ' G - RSV; Chemical: RSV