5,6,8,9-Tetrahydrodibenzo(a,j)anthracene

1,5-dibromo-2,4-divinylbenzene

1,5-dibromo-2,4-bis(dibromomethyl)benzene

2,4-二甲基间二溴苯

2,4-dibromobenzene-1,5-dicarbaldehyde