Epshtein, A. E.; Limanov, V. E.; Telegin, M. Yu.; Skvortsova, E. K.; Maksimova, T. I.
Pharmaceutical Chemistry Journal, 1980 , vol. 14, # 5 p. 292 - 295
Khimiko-Farmatsevticheskii Zhurnal, 1980 , vol. 14, # 5 p. 23 - 26
1: 94 percent / conc. H2SO4 / 100 °C
2: 92 percent / benzene / 12 h / Ambient temperature
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参考文献
Epshtein, A. E.; Limanov, V. E.; Telegin, M. Yu.; Skvortsova, E. K.; Maksimova, T. I.
Pharmaceutical Chemistry Journal, 1980 , vol. 14, # 5 p. 292 - 295
Khimiko-Farmatsevticheskii Zhurnal, 1980 , vol. 14, # 5 p. 23 - 26