26184
The low lipophilicity of hydroxytyrosol ( HT ) has motivated efforts to synthesize homologous series with better lipid solubility , such as the ethers , which are more lipophilic than HT .
 Chemical: hydroxytyrosol; Chemical: ethers
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: hydroxytyrosol; Chemical: ethers