共 15 条
- [1] BEHR LC, 1962, CHEM HETEROCYCLIC CO, V7, pCH10
- [2] BELLAMY LJ, 1957, INFRARED SPECTRA COM, P216
- [3] BLIND A, Patent No. 2039397
- [4] BOESCH R, 1979, Patent No. 4150142
- [5] BOESCH R, Patent No. 675562
- [6] Boyer J.H., 1961, HETEROCYCL COMPOUNDS, V7, P525
- [8] FREUND M, 1888, BER DTSCH CHEM GES, V21, P1240
- [9] PHILIPS NV, 1972, Patent No. 7010689
- [10] PILGRAM HK, Patent No. 2519393