SUBSTITUTED PYRIDINES. DEHYDROGENATION, DESAMINATION, AND N-DESMETHYLATION OF 4-AMINO-1, 2, 5-TRIMETHYLPIPERIDINE AND (1, 2, 5-TRIMETHYL-4-PIPERIDYL)BENZYLIDENEAMINE СтатьяProstakov N.S., Mikheeva N.N., Banerdzhi S.K.Chemistry of Heterocyclic Compounds. Том 4. 1970.
SUBSTITUTED PYRIDINES. 2, 5-DIAROYL-4-PHENYLPYRIDINES AND 2, 5-DIAMINO-4-PHENYLPYRIDINES СтатьяProstakov N.S., Banerdzhi S.K., Rodes L.G.Chemistry of Heterocyclic Compounds. Том 4. 1970. С. 205-206