2,2,4,4,6,6,8,8,10,10,12,12,14,14,16,16-hexadecafluoro-1,3,5,7,9,11,13,15-octaza-2$l^{5},4$l^{5},6$l^{5},8$l^{5},10$l^{5},12$l^{5},14$l^{5},16$l^{5}-octaphosphacyclohexadeca-1,3,5,7,9,11,13,15-octaene;14097-20-2;Cyclo-octakis(difluorophosphonitrile)
2,2,4,4,6,6,8,8,10,10,12,12,14,14,16,16-hexadecafluoro-1,3,5,7,9,11,13,15-octaza-2$l^{5},4$l^{5},6$l^{5},8$l^{5},10$l^{5},12$l^{5},14$l^{5},16$l^{5}-octaphosphacyclohexadeca-1,3,5,7,9,11,13,15-octaene