| Number | Date | Country | Kind |
|---|---|---|---|
| 63-248677 | Sep 1988 | JPX | |
| 1-18215 | Jan 1989 | JPX | |
| 1-110661 | Apr 1989 | JPX |
| Number | Name | Date | Kind |
|---|---|---|---|
| 4626597 | Faustini et al. | Dec 1986 | |
| 4843068 | Hamaguchi et al. | Jun 1989 |
| Number | Date | Country |
|---|---|---|
| 0291045 | Nov 1988 | EPX |
| 3631297 | Mar 1988 | DEX |
| 64-13086 | Jan 1964 | JPX |
| 62-53969 | Mar 1987 | JPX |
| 62-53970 | Mar 1987 | JPX |
| 63-269997 | Nov 1988 | JPX |
| 2-40380 | Feb 1990 | JPX |
| 2-96568 | Apr 1990 | JPX |
| 2174700 | Nov 1986 | GBX |
| Entry |
|---|
| Khim.-Farm. Zh., 1970, 4(3), 19-24 (with English Translation) B. A. Porai-Koshuch, "Synthesis and Conversation of Chlorpyrazolealdehyde". |
| J. Chem. Soc., Chem. Commun., (13), 740-742 (1983). |
| Acta Chemica Scandinavica 24(9), 3109-3115 (1970). |