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8. Predict the number of signals and the multiplicity of each signal in the 'H NMR spectra of compounds A-D each recorded in D.0

8. Predict the number of signals and the multiplicity of each signal in the 'H NMR spectra of compounds A-D each recorded in D.0 so as to eliminate signals due to protons attached to oxygen and nitrogen atoms. 'COOH H2N COOH H COOH H2N A. B O Me H H2N COOH D

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