8596
The absolute configurations of schisandrin A1 ( 1 ) and schisantherin A ( 2 ) were determined by electronic circular dichroism ( CD ) and TDDFT calculations , with 2 further confirmed by X - ray crystallographic data .
 schisandrin A1, schisantherin A
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Chemical 
Text: {0} 
Answer:
 schisandrin A1, schisantherin A