3183
Tri - ortho - tolyl phosphate ( TOTP ) , 360 mg / kg , po , and 0 , 0 ' - diisopropyl phosphorofluoridate ( DFP ) , 1 mg / kg sc , were administered to adult White Leghorn chickens 24 hr after they were placed on diets containing 0 to 300 ppm corticosterone .
 Chemical: Tri - ortho - tolyl phosphate; Chemical: TOTP; Chemical: 0 , 0 ' - diisopropyl phosphorofluoridate; Chemical: DFP; Chemical: corticosterone
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
 Chemical: Tri - ortho - tolyl phosphate; Chemical: TOTP; Chemical: 0 , 0 ' - diisopropyl phosphorofluoridate; Chemical: DFP; Chemical: corticosterone