共 15 条
[3]
DELAET F, 1929, B SOC CHIM BELG, V38, P163
[6]
KNOVENAGEL E, Patent No. 162281
[7]
Kon GRK, 1926, J CHEM SOC, P2727
[8]
MEYENBERG A, 1895, BER DTSCH CHEM GES, V28, P786