1806
To develop a novel and effective drug that could enhance cognitive function and neuroprotection , we newly synthesized maltolyl p - coumarate by the esterification of maltol and p - coumaric acid .
 Chemical: maltolyl p - coumarate; Chemical: maltol; Chemical: p - coumaric acid
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Disease, Chemical 
Text: {0} 
 Entities: maltolyl p - coumarate, maltol, p - coumaric acid 
Answer:
 Chemical: maltolyl p - coumarate; Chemical: maltol; Chemical: p - coumaric acid