15608
However , MPT was prevented by ANT ligands ATP , ADP , tamoxifen and 4 - hydroxytamoxifen , implying that the MPT induction by acitretin is mediated by the ANT .
 Chemical: ATP; Chemical: ADP; Chemical: tamoxifen; Chemical: 4 - hydroxytamoxifen
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: ATP; Chemical: ADP; Chemical: tamoxifen; Chemical: 4 - hydroxytamoxifen