I D：
P W：
            Sodium hydride
            Piperazine
            Piperazine,anhydrous
            N-Methylpiperazine
            N-Ethylpiperazine
            Ethylenediamine
            2,2'-Hydrazodi-ethanol
            Sodium metal
 
Self-support Products
Sodium hydride
Piperazine,anhydrous
N-Ethylpiperazine
N-Methylpiperazine
Sodium metal
N-ß-ethoxyl Piperazine
N-ß-ethoxyl ethylenediamine
Triethylene diamine


Imported Products
Piperazine
Ethylenediamine
 
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