3344
Experiments in vitro showed that acetylcholine - induced catecholamine release from bovine adrenal medulla is depressed as much as 50 % by 0 . 3 mM NH4Ac and KCl - induced contractions of guinea - pig ileum were inhibited 20 % by 5 mM NH4Ac .
 Chemical: acetylcholine; Chemical: catecholamine; Chemical: NH4Ac; Chemical: KCl; Chemical: NH4Ac
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: acetylcholine; Chemical: catecholamine; Chemical: NH4Ac; Chemical: KCl; Chemical: NH4Ac