12020
EFS applied to the tissues precontracted with phenylephrine caused relaxations which were markedly inhibited by nifedipine ( 10 ( - 7 ) M ) and tetraethylammonium ( TEA ) ( 1mM ) .
 Chemical: phenylephrine; Chemical: nifedipine; Chemical: tetraethylammonium; Chemical: TEA
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: phenylephrine; Chemical: nifedipine; Chemical: tetraethylammonium; Chemical: TEA