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(-)-Tetrahydropalmatine483-14-740 % similar 1-(3-Methoxyphenyl)piperazine dihydrochloride6968-76-939 % similar 1-Piperonylpiperazine32231-06-438 % similar 1-(2,4-Dichlorobenzyl)piperazine51619-56-838 % similar 1-((2-Chlorophenyl)methyl)piperazine17532-19-338 % similar 6,7-Dimethoxy-1,2,3,4-tetrahydroisoquinoline hydrochloride2328-12-338 % similar 1-(2-Fluorobenzyl)piperazine89292-78-438 % similar 1-(2-Methoxyphenyl)piperazine hydrobromide100939-96-638 % similar 1-(2,4-Dimethoxyphenyl)piperazine16015-75-138 % similar 2-Chloromethyl-3,4-dimethoxypyridinium chloride72830-09-238 % similar 1-(1-Naphthylmethyl)piperazine40675-81-837 % similar Corydaline518-69-437 % similar 1-(2-Ethoxyphenyl)piperazine hydrochloride83081-75-836 % similar 1-Benzylpiperazine2759-17-336 % similar 1-Benzylpiperazine2759-28-636 % similar 1-(4-Methoxyphenyl)piperazine38212-30-536 % similar 1-(Chloromethyl)-2,3-dimethoxybenzene3893-01-436 % similar 4-Piperazin-1-ylmethyl-benzoic acid methyl ester86620-81-735 % similar Canadine522-97-435 % similar 6-Methoxy-1,2,3,4-tetrahydroisoquinoline hydrochloride57196-62-035 % similar