20230
When the 7th dose of HQT was given at 0 . 5h before VPA , the AUC0 - t and Cmax of VPA were markedly decreased by 65 % and 82 % , respectively .
 VPA, VPA
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Chemical 
Text: {0} 
Answer:
 VPA, VPA