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Construction of pseudoternary diagrams were investigated to prepare a MTX / beta - CD inclusion complex loaded SMEDDS which was characterized by measuring the particle size and the zeta - potential .
 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: beta - CD