Investigation of bis-heteryl derivatives of piperazine and its analogs 1. Synthesis and conversions of n,n?-bis(2-r-5-nitro-6-pyrimidinyl)piperazines and n,n3-bis(2-r-5-nitro-6-pyrimidinyl)dispirotripiperazinium dichloride
作者:V. A. Makarov、A. L. Sedov、M. P. Nemeryuk、T. S. Safonova