3504
Galanthamine hydrobromide , an anticholinesterase drug capable of penetrating the blood - brain barrier , was used in a patient demonstrating central effects of scopolamine ( hyoscine ) overdosage .
 Galanthamine hydrobromide, scopolamine, hyoscine, overdosage
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
 Galanthamine hydrobromide, scopolamine, hyoscine, overdosage