9956
While 5 - methoxy substitution abolished activity at all isoforms , the 6 - methoxy substitution is consistently 10 - fold more potent .
 Chemical: 5 - methoxy; Chemical: 6 - methoxy
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: 5 - methoxy, 6 - methoxy 
Answer:
 Chemical: 5 - methoxy; Chemical: 6 - methoxy