6033
Male Balb / C mice were administered with Ginkgo biloba extract for 14 days at a dose of 70 mg / kg body weight interperitoneally and on 11 - day of treatment animals were exposed to Trimethyltin ( 2 . 5 mg / kg b . w ) single intraperitoneal injection .
 Chemical: Trimethyltin
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: Trimethyltin