上游原料
ethylenediamine;1,2-Diaminoethane;ethane-1,2-diamine；1,2-EthanediamineN(1),N(2)-dibenzyl-1,2-ethanediamine; N-benzyl-N-[2-(benzylamino)ethyl]amine; N,N-Dibenzylethylendiamineethyl 2,3-dibromopropanoateethyl 1,4-dibenzyl-2-piperazinecarboxylateethyl 2-piperazinecarboxylateethyl 4-trityl-2-piperazinecarboxylate2,4-Dichlorobenzyl chloride; 2,4-Dichloro-1-(chloromethyl)benzeneethyl 1-(2,4-dichlorobenzyl)-4-trityl-2-piperazinecarboxylateethyl 1-(2,4-dichlorobenzyl)-2-piperazinecarboxylateethyl 1-(2,4-dichlorobenzyl)-4-methyl-2-piperazinecarboxylate
