2047
The contributions of additive phosphatidylethanolamine forms ( both interfacial tension values and molecular area values ) depend on pH .
 Chemical: phosphatidylethanolamine
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: phosphatidylethanolamine