(R)-1-benzyl-5-methyl-1,4-diazepane ,have two peaks in Reverse HPLC but the NMR Spec. is OK! WHY???

08 August 2015 0 853 Report

(R)-1-benzyl-5-methyl-1,4-diazepane NMR Spec is OK, Reverse HPLC show two peaks! why?

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