12198
The structure - activity relationship studies of a novel series of carboxylic acid derivatives of pyridine - carboxamides as DGAT - 1 inhibitors is described .
 Chemical: carboxylic acid; Chemical: pyridine - carboxamides
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: carboxylic acid; Chemical: pyridine - carboxamides