15223
It suggested that there was 12 . 4 % ( w / w ) of 3 ' - R / S - hydroxyvoacamine in the alkaloid enriched fraction of T . divaricata stem .
 Chemical: 3 ' - R / S - hydroxyvoacamine
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: 3 ' - R / S - hydroxyvoacamine