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 | ... IPERAZI ... (23 elements)de (2) : BENZYLPIPERAZIN · PIPERAZIN en (11) : BENZYLPIPERAZINE · DIKETOPIPERAZINE · DIKETOPIPERAZINES · DIMETHYLPHENYLPIPERAZINIUM · HYDROXYETHYLPIPERAZINE · PIPERAZINE · PIPERAZINEDIONES · PIPERAZINYL · PYRROLODIKETOPIPERAZINES · PYRROLOPIPERAZINEDIONES fr (9) : DICETOPIPERAZINE · DICETOPIPERAZINES · DIMETHYLPHENYLPIPERAZINIUM · DIOXOPIPERAZINE · PIPERAZINE · PIPERAZINEDIONES · PIPERAZINES · PYRROLODICETOPIPERAZINES · PYRROLOPIPERAZINEDIONES it (1) : PIPERAZINA |
 | BENZYLPIPERAZIN · BENZYLPIPERAZINE · DICETOPIPERAZINES · DIKETOPIPERAZINES · DIMETHYLPHENYLPIPERAZINIUM · DIOXOPIPERAZINE · HYDROXYETHYLPIPERAZINE · PIPERAZIN · PIPERAZINYL · PIPERAZYNA DIMETHYLPHENYLPIPERAZINIUM · PERAZIN · PIPERAZINE · PIPERAZINYL · PROCHLORPERAZINE · PROKLORPERAZIN · TRIFLUOPERAZIN · TRIFLUOPERAZINE · TRIFLUOROPERAZINE · TRIPFLUOPERAZINE |
 | ... IPERAZIN ... (23 elements) BENZYLPIPERAZINE · DICETOPIPERAZINE · DICETOPIPERAZINES · DIKETOPIPERAZINES · DIOXOPIPERAZINE ... PIPERAZI ... (23 elements) BENZYLPIPERAZIN · BENZYLPIPERAZINE · DICETOPIPERAZINES · DIKETOPIPERAZINES · DIMETHYLPHENYLPIPERAZINIUM |