25563
Structure - activity relationship of semisynthetic derivatives by chemical modification of ilicicolin H and its 19 - hydroxy derivative produced by biotransformation have been described .
 Chemical: ilicicolin H; Chemical: 19 - hydroxy
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: ilicicolin H, 19 - hydroxy 
Answer:
 Chemical: ilicicolin H; Chemical: 19 - hydroxy