1611
Our QSAR results reveal that : 1 ) the clog P ( hydrophobicity / hydrophilicity ) parameter plays an important part in three QSAR relationships ( linear model ) , 2 ) the steric factors such as molar volume MgVol , molar refractivity CMR or the substituents molar refractivity MR ( linear ) are important .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
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