4128
Antioxidant activities of the eight compounds were determined by a DPPH radical scavenging assay and the results showed that 2 - ( 2 - hydroxy - 5 - ( methoxycarbonyl ) phenoxy ) benzoic acid , kaempferol , isolariciresinol , butylated hydroxytoluene and 3 , 4 - dihydroxy benzoate exhibited good antioxidant activities .
 Chemical: DPPH; Chemical: 2 - ( 2 - hydroxy - 5 - ( methoxycarbonyl ) phenoxy ) benzoic acid; Chemical: kaempferol; Chemical: isolariciresinol; Chemical: butylated hydroxytoluene; Chemical: 3 , 4 - dihydroxy benzoate
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: DPPH; Chemical: 2 - ( 2 - hydroxy - 5 - ( methoxycarbonyl ) phenoxy ) benzoic acid; Chemical: kaempferol; Chemical: isolariciresinol; Chemical: butylated hydroxytoluene; Chemical: 3 , 4 - dihydroxy benzoate