16304
Pharmacokinetics of lactone form ( GB - lac ) and the total of the lactone and carboxylate form ( GB - tot ) of ginkgolide B were investigated after intravenous administration of a dose of 4 mg / kg ginkgolide B .
 Chemical: lactone; Chemical: GB - lac; Chemical: lactone; Chemical: carboxylate; Chemical: ginkgolide B; Chemical: ginkgolide B
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: GB - lac; Chemical: lactone; Chemical: carboxylate; Chemical: ginkgolide B; Chemical: ginkgolide B