Number | Date | Country | Kind |
---|---|---|---|
9004021.3 | Feb 1990 | GBX |
Filing Document | Filing Date | Country | Kind | 102e Date | 371c Date |
---|---|---|---|---|---|
PCT/EP91/00324 | 2/21/1991 | 8/21/1992 | 8/21/1992 |
Publishing Document | Publishing Date | Country | Kind |
---|---|---|---|
WO91/13064 | 9/5/1991 |
Number | Name | Date | Kind |
---|---|---|---|
4618604 | Chu et al. | Sep 1986 |
Number | Date | Country |
---|---|---|
1250829 | Sep 1967 | DEX |
Entry |
---|
Candiani et al, Heterocycles, vol. 24, pp. 875-879 (1992). |