参考文献

Hantzsch Chemische Berichte, 1892 , vol. 25, p. 708 Full Text Show Details Naegeli Chemische Berichte, 1883 , vol. 16, p. 496 Full Text Show Details Palazzo; Egidi Gazzetta Chimica Italiana, 1913 , vol. 43 I, p. 59,67