1,4,7,10,13-Benzopentaoxacyclopentadecin, 2,3,5,6,8,9,11,12-octahydro-15-bromo- 2,3,5,6,8,9,11,12-Octahydro-15-bromo-1,4,7,10,13-benzopentaoxacyclopentadecin 60835-72-5 BRN 1587587 m-Bromobenzo-15-crown-5