2684
The dose of D - penicillamine associated with a favorable response was as low as 2 to 5 mg / kg per day given over a period ranging from 15 to 53 months .
 Chemical: D - penicillamine
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
 Chemical: D - penicillamine