大黄素甲醚

大黄素

1-hydroxy-8-methoxy-3-methylanthracene-9,10-dione

1-hydroxy-5-methoxy-3-methyl-9,10 dihydroanthracene 9,10-dione

4,8'-二羟基-2,6'-二甲基-1,2'-联萘-1',4',5,8-四酮