4908
From 6 . 5 to 16 . 5 day post coitus ( dpc ) , pregnant mice were given oral doses of 17 alpha - ethynylestradiol ( EE , 0 . 2mg / kg / day ) , BPA ( 5 or 50mg / kg / day ) , or OP ( 3 , 12 , or 48 mg / kg / day ) dissolved in corn oil .
 Chemical: 17 alpha - ethynylestradiol; Chemical: BPA
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: 17 alpha - ethynylestradiol; Chemical: BPA