Drach,B.S. et al. Journal of Organic Chemistry USSR (English Translation), 1977 , vol. 13, p. 1471 - 1474 Zhurnal Organicheskoi Khimii, 1977 , vol. 13, p. 1594 - 1597 Full Text Show Details Drach,B.S.; Kovalev,V.A. Journal of Organic Chemistry USSR (English Translation), 1977 , vol. 13, p. 1474 - 1480 Zhurnal Organicheskoi Khimii, 1977 , vol. 13, p. 1597 - 1603