9,10-diethyl-2,3,6,7-tetramethoxy-anthracene

2,3,6,7-tetramethoxy-9(10H)-anthracenone

2,3,6,7-四甲氧基-9,10-二甲基蒽

10-acetyl-2,3,6,7-tetramethoxy-anthrone

邻苯二甲醚