Number | Date | Country | Kind |
---|---|---|---|
99101956 | Jan 1999 | EP |
Number | Name | Date | Kind |
---|---|---|---|
4185110 | Eichenberger | Jan 1980 | |
4486442 | Friebe et al. | Dec 1984 | |
5886191 | Dominguez | Mar 1999 |
Number | Date | Country |
---|---|---|
088986 | Sep 1983 | EP |
02-215779 | Aug 1992 | JP |
9612718 | Feb 1996 | WO |
Entry |
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Eichenberger et al. “Benzoheterocyclic glyoxylic acid derivatives” CA 89:179847 (1978).* |
J. Am. Chem. Soc. vol. 61, pp. 2328-2329 (1939). |