1,2,3,4,6,7,8,9-八氯二苯并呋喃

2,4,7,8-四氯二苯并呋喃

2,3,4,7,8-五氯二苯并呋喃

1,2,3,4,5-pentafluoro-6-methylsulfanylbenzene

choline sulfate