15990
At 5 min after i . v . administration of the ( 14 ) C compound , high levels of radioactivity were observed in the fundus of the stomach compared to blood and plasma and the rest of the stomach , indicating an active secretion of ( 14 ) C material into the stomach .
 Chemical: ( 14 ) C; Chemical: ( 14 ) C
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: ( 14 ) C; Chemical: ( 14 ) C