2,2,4,4,6,6,8,8,10,10,12,12-dodecafluoro-1,3,5,7,9,11-hexaza-2$l^{5},4$l^{5},6$l^{5},8$l^{5},10$l^{5},12$l^{5}-hexaphosphacyclododeca-1,3,5,7,9,11-hexaene;19258-93-6;Cyclo-hexakis(difluorophosphonitrile)
2,2,4,4,6,6,8,8,10,10,12,12-dodecafluoro-1,3,5,7,9,11-hexaza-2$l^{5},4$l^{5},6$l^{5},8$l^{5},10$l^{5},12$l^{5}-hexaphosphacyclododeca-1,3,5,7,9,11-hexaene