↑DE 2503968, Jaeggi, Knut A.; Herbert Schröter & Franz Ostermayer, "Optisch aktive Derivate des 1-Phenoxy-2-hydroxy-3-aminopropan und Verfahren zu ihrer Herstellung [Optically active derivatives of 1-phenoxy-2-hydroxy-3-aminopropane and the process for their production]", published 1975-08-14
↑K. A. Jaeggi, H. Schroeter, and F. Ostermayer, Chem. Abstr. 84, 5322 (1976).