14216
In the present study , the pharmacokinetics and oral bioavailabilities of PPT and PPD were investigated when a single dose of DS was administrated orally ( 75mg / kg ) and intravenously ( i . v . , 30mg / kg ) to rats .
 Chemical: PPT; Chemical: PPD
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: PPT; Chemical: PPD