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alpha - Naphthoflavone - like and 5 - hydroxyflavone derivatives preferentially inhibited P450 1A2 , while beta - naphthoflavone - like flavone derivatives showed selective inhibition of P450 1A1 .
 Chemical: alpha - Naphthoflavone; Chemical: 5 - hydroxyflavone; Chemical: beta - naphthoflavone; Chemical: flavone
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: alpha - Naphthoflavone; Chemical: 5 - hydroxyflavone; Chemical: beta - naphthoflavone; Chemical: flavone