24649
Pre - treatment of a muscarine receptor antagonist , atropine methyl nitrate , which does not cross the blood - brain barrier , almost completely blocked insulin secretion induced by voluntary feeding of standard chow or carbohydrate in Kir6 . 2 - / - mice .
 Chemical: atropine; Chemical: methyl nitrate; Chemical: carbohydrate
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: atropine; Chemical: methyl nitrate; Chemical: carbohydrate