12499
Two new pyrrolo [ 1 , 2 - alpha ] azepine - type stemona alkaloids , named as tuberostemonoxirine ( 1 ) and 9 alpha - epi - tuberospironine ( 2 ) , were isolated from the roots of Stemona tuberosa .
 Chemical: pyrrolo [ 1 , 2 - alpha ] azepine; Chemical: tuberostemonoxirine; Chemical: 9 alpha - epi - tuberospironine
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: pyrrolo [ 1 , 2 - alpha ] azepine, tuberostemonoxirine, 9 alpha - epi - tuberospironine 
Answer:
 Chemical: pyrrolo [ 1 , 2 - alpha ] azepine; Chemical: tuberostemonoxirine; Chemical: 9 alpha - epi - tuberospironine