2-Bromo-11-ethoxy-5H-dibenzo[a,d]cycloheptene

p-bromobenzylbenzylcyanide

2-(4-Brombenzyl)-phenylessigsaeure

2(4-Brombenzyl)benzylbromid

8-bromo-5,11-dihydro-10H-dibenzo[a,d]-cyclohepten-10-one