M. Leitloff

发表

Proton, phosphorus-31, and carbon-13 nuclear magnetic resonance nonequivalence of diastereomeric salts of chiral phosphorus thio acids with optically active amines. A method for determining the optical purity and configuration of chiral phosphorus thio acids

J. Drabowicz, M. Mikołajczyk, A. Ejchart, 1978 .