17173
Seven new cyclotriphosphazene amphiphiles were prepared from combinations of hydrophilic MPEGs with different molecular weights of 350 , 550 , 750 and 1000 and four different fatty acids of different hydrophobicity including lauric , myristic , palmitic and stearic acids .
 Chemical: cyclotriphosphazene; Chemical: MPEGs; Chemical: fatty acids; Chemical: lauric , myristic , palmitic and stearic 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: cyclotriphosphazene; Chemical: MPEGs; Chemical: fatty acids; Chemical: lauric , myristic , palmitic and stearic acids