When PVP or HCO-60 was added to a deuterated chloroform solution of nitrazepam, the 1H-NMR signals of N (1 )-H shifted to lower magnetic fields.
PVP等在氘代氯仿中可使硝基安定1位氢的核磁信号向低磁场方向位移。PVP与硝基安定的相互作用比HCO-60等要强。
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