Bulletin of the Academy of Sciences of the USSR, Division of Chemical Science (English Translation), , vol. 36, # 2 p. 418
Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, , # 2 p. 458 - 459
Bulletin of the Academy of Sciences of the USSR, Division of Chemical Science (English Translation), , vol. 39, # 11 p. 2354 - 2362
Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, , # 11 p. 2600 - 2608
Reddy, A. V. N.; Kamal, Ahmed; Sattur, P. B.
Indian Journal of Chemistry, Section B: Organic Chemistry Including Medicinal Chemistry, 1985 , vol. 24, p. 1295 - 1297