共 5 条
[2]
LAPAROLA, 1937, GAZZ CHIM ITAL, V67, P645
[3]
SKRAUP, 1927, BER, V59, P1013
[4]
von Pechman H., 1894, CHEM BER-RECL, V27, P1888, DOI [10.1002/cber.189402702141, DOI 10.1002/CBER.189402702141]
[5]
VONPECHMANN, 1900, BER DTSCH CHEM GES, V33, P3590