(original) (raw)

NCCNOEt+NHMeH2NNCNNH2MeNLiAlH4NNMeNH2H2NNNMeNH2NC1. H2CO/HCO2H2. MeINNMeNH2Me3NNaBrNNMeNH2BrNNNMeNH2NBr-123456789