1979

J. Org. Chem.

Nitrogen-15 nuclear magnetic resonance spectroscopy. Natural abundance nitrogen-15 chemical shifts of alkyl- and aryl-substituted ureas

Mukund P. Sibi and Robert L. Lichter

1977

J. Org. Chem.

Nitrogen-15 nuclear magnetic resonance spectroscopy. Natural-abundance nitrogen-15 chemical shifts of ring-methylated N,N-dimethylanilines. Effect of inhibition of conjugation

Mukund P. Sibi and Robert L. Lichter