TY - RPRT TI - 1,2-dibromopyracylene: a new aromatic system. AU - B M Trost AU - D R Brittelli PY - 1967 DO - 10.1016/s0040-4039(00)90498-2 UR - https://pubmed.ncbi.nlm.nih.gov/4167203/ ID - 4167203 ER -