carbon monoxide; cobalt; 1,2,3,4,5-pentamethylcyclopenta-1,3-diene; trimethylphosphanium;carbon monoxide; cobalt; 1,2,3,4,5-pentamethylcyclopenta-1,3-diene; trimethylphosphonium;Cobalt, carbonyl-(.eta.5-pentamethylcyclopentadienyl)(trimethylphosphine)
carbon monoxide; cobalt; 1,2,3,4,5-pentamethylcyclopenta-1,3-diene; trimethylphosphanium