5786
Synthesis and anti - tumor evaluation of novel 25 - hydroxyprotopanaxadiol analogs incorporating natural amino acids .
 Chemical: 25 - hydroxyprotopanaxadiol; Chemical: amino acids
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: 25 - hydroxyprotopanaxadiol; Chemical: amino acids