2,5-bis(3-methylbut-2-enyl)benzene-1,4-diol

1,4-dihydroxy-6,7-dimethylanthracene-9,10-dione

1,4-二氧杂螺[4.5]癸-6,9-二烯-8-酮

(1Z)-1,2-dichlorobuta-1,3-diene

(Z)-1,2,4-三氯丁-2-烯