Number | Date | Country | Kind |
---|---|---|---|
3929087 | Sep 1989 | DEX |
Number | Name | Date | Kind |
---|---|---|---|
4139364 | Wolf | Feb 1979 |
Number | Date | Country |
---|---|---|
0090312 | May 1983 | EPX |
0262399 | Jun 1988 | EPX |
Entry |
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CA 109(13):110249g (1988) Prep of 4-hydroxy 2(5H)-thiophenones and pynolidones . . . scavengers. |
Chem. Pharm. Bull., vol. 15 (1967) 1120-1123. |
Liebigs. Ann. Chem. 1985, 1095-1098. |