In some embodiments, this invention pertains to isotopically enriched N-substituted piperazines. In some embodiments, this invention pertains to methods for the preparation of isotopically enriched N-substituted piperazines.
在某些实施例中,这项发明涉及同位素富集的N-取代
哌嗪。在某些实施例中,这项发明涉及同位素富集的N-取代
哌嗪的制备方法。