Saginova, L. G.; Kukhareva, I. L.; Lebedev, A. T.; Shabarov, Yu. S.
Journal of Organic Chemistry USSR (English Translation), 1991 , vol. 27, # 9.1 p. 1631 - 1638
Zhurnal Organicheskoi Khimii, 1991 , vol. 27, # 9 p. 1852 - 1860