参考文献

Gol'dfarb, Ya. L.; Ostapenko, E'. G.; Ivanov, V.B.; Efremkin, A. F.; Litvinov, V. P. Chemistry of Heterocyclic Compounds (New York, NY, United States)Khimiya Geterotsiklicheskikh Soedinenii, 19821982, vol. 1818, # 1111 p. 1148 - 11531482 - 1488 doi: 10.1007/BF00506361