19789
The physico - chemical properties and " in vitro " membrane permeability , the enzymatic and chemical stability , the demonstrated " in vitro " antioxidant activity associated to the capacity to inhibit A beta ( 1 - 42 ) aggregation makes at least compound 2 a promising candidate for treatment of AD patients .
 None
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
 Entities:  
Answer:
 None