1,4-Dinitroso-2,6-dimethylpiperazine 111447-10-0 2,6-Dimethyl-1,4-dinitrosopiperazine 2,6-Dimethyl-dnpz 2,6-Dimethyldinitrosopiperazine 55380-34-2 Dinitroso-2,6-dimethylpiperazine Dndmp N,N'-Dinitroso-2,6-dimethylpiperazine PIPERAZINE, 2,6-DIMETHYL-1,4-DINITROSO-