14923
Environmentally friendly poly ( butylenesuccinate - co - butyleneazelate ) ( P ( BS - co - BAz ) s ) aliphatic copolyesters with composition - dependent thermomechanical properties were synthesized from succinic acid ( SuA ) , 1 , 4 - butanediol ( BDO ) , and dimethylazelate ( DMAz ) through a two - step polycondensation reaction .
 Chemical: poly ( butylenesuccinate - co - butyleneazelate ); Chemical: P ( BS - co - BAz ) s; Chemical: aliphatic copolyesters; Chemical: succinic acid; Chemical: SuA; Chemical: 1 , 4 - butanediol; Chemical: BDO; Chemical: dimethylazelate; Chemical: DMAz
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: poly ( butylenesuccinate - co - butyleneazelate ); Chemical: P ( BS - co - BAz ) s; Chemical: aliphatic copolyesters; Chemical: succinic acid; Chemical: SuA; Chemical: 1 , 4 - butanediol; Chemical: BDO; Chemical: dimethylazelate; Chemical: DMAz