Berdinskii, I. S.; Maslivets, A. N.; Orlova, L. D.
Journal of Organic Chemistry USSR (English Translation), 1985 , vol. 21, # 4 p. 814 - 816
Zhurnal Organicheskoi Khimii, 1985 , vol. 21, # 4 p. 895 - 898

Hiremath, Shivayogi P.; Biradar, Jaiprakash S.; Mruthyunjayaswamy, B. H. M.
Indian Journal of Chemistry, Section B: Organic Chemistry Including Medicinal Chemistry, 1982 , vol. 21, # 4 p. 308 - 310

Kalb; Bayer
Chemische Berichte, 1912 , vol. 45, p. 2161

Hiremath, Shivayogi P.; Biradar, Jaiprakash S.; Mruthyunjayaswamy, B. H. M.
Indian Journal of Chemistry, Section B: Organic Chemistry Including Medicinal Chemistry, 1982 , vol. 21, # 4 p. 308 - 310

Kalb; Bayer
Chemische Berichte, 1912 , vol. 45, p. 2161