22895
Hydroxylated metabolites often retain the pharmacological activity of parent compound , and the position of hydroxylation determines the formation of chemically reactive intermediates such as quinones and analogues from para - and / or ortho - hydroxylation of phenols or arylamines .
 Chemical: quinones; Chemical: phenols; Chemical: arylamines
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: quinones; Chemical: phenols; Chemical: arylamines