430
These data indicate that the free ED50 in plasma for terfenadine ( 1 . 9 nM ) , terodiline ( 76 nM ) , cisapride ( 11 nM ) and E4031 ( 1 . 9 nM ) closely correlate with the free concentration in man causing QT effects .
 terfenadine, terodiline, cisapride, E4031
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
 terfenadine, terodiline, cisapride, E4031