3361
Both FTY720 and FTY720 - P retained their protective activity in pure cultures of mouse or rat cortical neurons .
 Chemical: FTY720; Chemical: FTY720 - P
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: FTY720; Chemical: FTY720 - P