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In conclusion , the equilibrium existed between lactone of ginkgolide B and its carboxylate form in vivo at physiological pH , which suggested that more attention should be focused on the original and the ionization forms of ginkgolide B and the conversion of the lactone into carboxylate in vivo .
 Chemical: lactone; Chemical: ginkgolide B; Chemical: carboxylate; Chemical: ginkgolide B; Chemical: lactone; Chemical: carboxylate
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: lactone; Chemical: ginkgolide B; Chemical: carboxylate; Chemical: ginkgolide B; Chemical: lactone; Chemical: carboxylate