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... LPIPERA ... (5 elements)

BENZYLPIPERAZIN · BENZYLPIPERAZINE · DIMETHYLPHENYLPIPERAZINIUM · HYDROXYETHYLPIPERAZINE

... YLPIPER ... (9 elements)

BENZYLPIPERAZIN · BENZYLPIPERAZINE · DIMETHYLPHENYLPIPERAZINIUM · DIMETHYLPIPERIDINE · DIPHENYLBUTYLPIPERIDINE · HYDROXYETHYLPIPERAZINE · TETRAMETHYLPIPERIDIDE · TETRAMETHYLPIPERIDINE

... HYLPIPERA ... (1 element)

HYDROXYETHYLPIPERAZINE

... NYLPIPERA ... (2 elements)

DIMETHYLPHENYLPIPERAZINIUM

... YLPIPERAZ ... (5 elements)

BENZYLPIPERAZIN · BENZYLPIPERAZINE · DIMETHYLPHENYLPIPERAZINIUM · HYDROXYETHYLPIPERAZINE

... ZYLPIPERA ... (2 elements)

BENZYLPIPERAZIN · BENZYLPIPERAZINE