3175
In contrast , metoprolol , bisoprolol , and CGP - 20712 [ 1 - [ 2 - ( ( 3 - carbamoyl - 4 - hydroxy ) phenoxy ) ethylamino ] - 3 - [ 4 - ( 1 - methyl - 4 - trifluoromethyl - 2 - imidazolyl ) phenoxy ] - 2 - propanol ] , which showed no agonistic activity , had only a marginal or no effect .
 Chemical: metoprolol; Chemical: bisoprolol; Chemical: CGP - 20712; Chemical: 1 - [ 2 - ( ( 3 - carbamoyl - 4 - hydroxy ) phenoxy ) ethylamino ] - 3 - [ 4 - ( 1 - methyl - 4 - trifluoromethyl - 2 - imidazolyl ) phenoxy ] - 2 - propanol
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: metoprolol; Chemical: bisoprolol; Chemical: CGP - 20712; Chemical: 1 - [ 2 - ( ( 3 - carbamoyl - 4 - hydroxy ) phenoxy ) ethylamino ] - 3 - [ 4 - ( 1 - methyl - 4 - trifluoromethyl - 2 - imidazolyl ) phenoxy ] - 2 - propanol