共 200 条
- [2] Awell A, 1973, [No title captured], Patent No. [US 3772347, 3772347]
- [5] BROVKO V, 1987, ZH PRIKL KHIM, V60, P2554
- [6] CAPKA M, 1974, COLLECT CZECH CHEM C, V39, P144
- [8] CHANDRA, Patent No. 1412257
- [9] CHANDRA G, 1974, Patent No. 3856837