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5H-4,15-Nitrilo-2l5,4l5,15l5-[1,3,2]diazaphosphorino[1,2-a][1,3,5,7,2,4,6]tetraazatriphosphacycloundecine,2,2,4-trichloro-6,7,8,9,11,12,13,14-octahydro- related products: