4-bromocyclobutabenzene

4-Bromobenzocyclobutene

1-broMo-4-(cyclobut-1-en-1-yl)benzene

3-BROMO-BICYCLO[4.2.0]OCTA-1,3,5-TRIENE

4-broMobicyclo[4.2.0]octa-1(6),2,4-triene