21031
In this study , we investigated a fundamentally different approach to stabilize the amorphous form of drugs , namely the use of amino acids as small molecular weight excipients that form specific molecular interactions with the drug resulting in co - amorphous forms .
 Chemical: amino acids
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: amino acids