14733
In addition , random copolyesters ( PBxManxyS ) covering a broad range of compositions have been obtained using mixtures of Manx and 1 , 4 - butanediol in the reaction with dimethyl succinate .
 Chemical: 1 , 4 - butanediol; Chemical: dimethyl succinate
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: 1 , 4 - butanediol; Chemical: dimethyl succinate