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Ethanol combined with pure d - MPH did not elevate plasma d - MPH concentrations during the absorption phase , and the ethanol - induced potentiation of subjective effects was delayed relative to dl - MPH - ethanol .
 Chemical: Ethanol; Chemical: d - MPH; Chemical: d - MPH; Chemical: ethanol; Chemical: dl - MPH; Chemical: ethanol
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: Ethanol; Chemical: d - MPH; Chemical: d - MPH; Chemical: ethanol; Chemical: dl - MPH; Chemical: ethanol