8957
The intestinal absorption of teniposide from TSN was obviously improved 4 . 09 - and 6 . 35 - fold in duodenum and jejunum at 0 . 5h after oral administration , then significantly decreased with the prolongation of time .
 Chemical: teniposide
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: teniposide