19935
Efficacy of D - penicillamine , a sequestering acetaldehyde agent , in the prevention of alcohol relapse - like drinking in rats .
 Chemical: D - penicillamine; Chemical: acetaldehyde; Chemical: alcohol
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: D - penicillamine; Chemical: acetaldehyde; Chemical: alcohol