Synonyms:
4-bromobicyclo[4.2.0]octa-1(6),2,4-triene ; 1-bromo-4-(cyclobut-1-en-1-yl)benzene ; 4-bromobenzocyclobutene ; 3-bromo-bicyclo[4.2.0]octa-1,3,5-triene ; 4-brbcb 4-bromobenzocyclobutene ; 4-bromocyclobutabenzene ; 4-bromo-1,2-dihydrobenzocyclobutene