1534
Two possible pathways for glycidic acid decarboxylation were studied : one via a five - membered cyclic transition state , and the other via a four - membered cyclic transition state .
 Chemical: glycidic acid
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: glycidic acid