13433
We report a series of new 9 - oxime ether non - ketolides , including 3 - hydroxyl , 3 - O - acyl and 3 - O - alkyl clarithromycin derivatives , and thiophene - containing ketolides 1b - 1d .
 Chemical: 9 - oxime; Chemical: ether; Chemical: ketolides; Chemical: 3 - hydroxyl , 3 - O - acyl and 3 - O - alkyl clarithromycin; Chemical: thiophene; Chemical: ketolides
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: 9 - oxime; Chemical: ether; Chemical: ketolides; Chemical: 3 - hydroxyl , 3 - O - acyl and 3 - O - alkyl clarithromycin; Chemical: thiophene; Chemical: ketolides