16496
PtCl2 - Catalyzed Tandem Enyne Cyclization / 1 , 2 Ester Migration Reaction Controlled by Substituent Effects of All - Carbon 1 , 6 - Enynyl Esters .
 Chemical: PtCl2; Chemical: Enyne; Chemical: 1 , 2 Ester; Chemical: All - Carbon 1 , 6 - Enynyl Esters
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: PtCl2; Chemical: Enyne; Chemical: 1 , 2 Ester; Chemical: All - Carbon 1 , 6 - Enynyl Esters