25140
Two new vinblastine - type N - oxide alkaloids from Catharanthus roseus .
 Chemical: vinblastine; Chemical: N - oxide alkaloids
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: vinblastine; Chemical: N - oxide alkaloids