ACYL AND AROYL DERIVATIVES OF 4-AMINO-1,2,5-TRIMETHYLPIPERIDINE СтатьяProstakov N.S., Mikheeva N.N., Govor S.Ya.Chemistry of Heterocyclic Compounds. Том 5. 1972. С. 706-707
SUBSTITUTED PYRIDINES - I. 4-N-ALKYL-2,5-DIMETHYLPYRIDINES СтатьяProstakov N.S., Govor S.Ya., Mikheeva N.N., Karlos R., Franko P.Chemistry of Heterocyclic Compounds. Том 5. 1972. С. 764-766