4336
Potent DA D1 receptor agents with an intermediate duration of efficacy such as A - 86929 ( approximately 4 hr at higher doses tested ) are potential therapeutic tools in PD and merit further attention .
 Chemical: DA; Chemical: A - 86929; Disease: PD
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: DA; Chemical: A - 86929; Disease: PD