2464
In vitro drug release in different pH media showed that the release profile of MTX from the MTX / beta - CD loaded SMEDDS was influenced by the pH of the release medium and presented the characteristics of a sustained release profile .
 Chemical: MTX; Chemical: MTX; Chemical: beta - CD
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: MTX; Chemical: MTX; Chemical: beta - CD