19341-53-8

N,N-BIS(4-CHLOROPHENYL)-3,9-DIOXO-2,4,8,10-TETRAOXA-3L^C17H18CL2N2O6P2,9L^C17H18CL2N2O6P2-DIPHOSPHASPIRO[5.5]UNDECANE-3,9-DIAMINE