18540
Lipophilic groups with different steric bulk were introduced at the 5 - position of the bicyclic scaffold ( R5 = Me , Ph , CH2Ph ) , and different acyl and carbamoyl moieties ( R7 ) were appended on the 7 - amino group , as well as a para - methoxy group inserted on the 2 - phenyl ring .
 Chemical: Me; Chemical: Ph; Chemical: CH2Ph; Chemical: acyl; Chemical: carbamoyl; Chemical: 7 - amino; Chemical: para - methoxy; Chemical: 2 - phenyl
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: Me; Chemical: Ph; Chemical: CH2Ph; Chemical: acyl; Chemical: carbamoyl; Chemical: 7 - amino; Chemical: para - methoxy; Chemical: 2 - phenyl