catena-Poly[[(triphenyl-phosphane-κP)copper(I)]-di-μ-bromido-[(triphenyl-phos-phane-κP)copper(I)]-μ-1,3-bis(pyridin-4-yl)-propane-κN:N']

catena-Poly[[(triphenyl-phosphane-κP)copper(I)]-di-μ-bromido-[(triphenyl-phos-phane-κP)copper(I)]-μ-1,3-bis(pyridin-4-yl)-propane-κN:N']