Alpatova, T. V.; Klimova, A. D.; Kulinskii, V. I.; Yashunskii, V. G.
Pharmaceutical Chemistry Journal, 1992 , vol. 26, # 3 p. 266 - 269
Khimiko-Farmatsevticheskii Zhurnal, 1992 , vol. 26, # 3 p. 66 - 68

Alpatova, T. V.; Klimova, A. D.; Kulinskii, V. I.; Mirzoyan, V. S.; Mirzoyan, A. T.; Yashunskii, V. G.
Pharmaceutical Chemistry Journal, 1984 , vol. 18, # 4 p. 262 - 266
Khimiko-Farmatsevticheskii Zhurnal, 1984 , vol. 18, # 4 p. 444 - 449

Divi's Laboratories Limited
Patent: US2012/108848 A1, 2012 ;

Divi's Laboratories Limited
Patent: US2012/108848 A1, 2012 ;

Awe; Stohlmann
Pharmazie, 1957 , vol. 12, p. 647,649,650

Legerlotz Patent:   DE543529 , 1929 ;Fortschr. Teerfarbenfabr. Verw. Industriezweige,  vol. 18, p. 3029           Bretschneider Monatshefte fuer Chemie, 1949 ,  vol. 80, p. 517,521,524,534