14176
Although there were differences in affinities of a few compounds at mouse compared to human 5 - HT2A or 5 - HT2C receptors , all compounds tested retained their selectivity for either receptor , regardless of receptor species .
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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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