共 21 条
- [1] ARNDT H, 1964, Patent No. 1172081
- [2] BORSCH RF, 1968, J ORG CHEM, V34, P627
- [4] GRUNDNES J, 1970, CHEMISTRY CYANO GROU, pCH3
- [6] HASSNER A, 1966, TETRAHEDRON LETT, P3119
- [7] Johnson F., 1966, ADVANCES HETEROCYCLI, V6,, P95
- [8] KLAGES F, 1959, LIEBIGS ANN CHEM, V626, P60
- [9] KLAGES F, 1955, LIEBIGS ANN CHEM, V594, P21
- [10] KREUTZBERGER A, 1968, ARZNEIMITTELFORSCH, V11, P356