Number | Date | Country | Kind |
---|---|---|---|
1-22315 | Aug 1989 | JPX | |
2-59935 | Dec 1990 | JPX |
Filing Document | Filing Date | Country | Kind | 102e Date | 371c Date |
---|---|---|---|---|---|
PCT/JP90/01092 | 8/29/1990 | 4/29/1991 | 4/29/1991 |
Publishing Document | Publishing Date | Country | Kind |
---|---|---|---|
WO91/03469 | 3/21/1991 |
Number | Name | Date | Kind |
---|---|---|---|
3674749 | Craven | Jul 1972 | |
3763161 | Hartter | Oct 1973 | |
3928351 | Donald | Dec 1975 |
Number | Date | Country |
---|---|---|
88-01264 | Feb 1988 | WOX |
Entry |
---|
Begland et al, J. Org. Chem. 39, p. 1235 (1974). |
The Pyrazines by G. B. Barlin, vol. 41 of The Chemistry of Heterocyclic Compounds, pp. 35-36, 98, 126, 128, 129, 280 (1982). |