| Number | Date | Country | Kind |
|---|---|---|---|
| 1-172423 | Jul 1989 | JPX | |
| 1-207501 | Aug 1989 | JPX | |
| 1-257157 | Oct 1989 | JPX | |
| 2-3854 | Jan 1990 | JPX |
| Filing Document | Filing Date | Country | Kind | 102e Date | 371c Date |
|---|---|---|---|---|---|
| PCT/JP90/00850 | 6/29/1990 | 2/3/1993 | 2/3/1992 |
| Publishing Document | Publishing Date | Country | Kind |
|---|---|---|---|
| WO91/00260 | 1/10/1991 |
| Number | Name | Date | Kind |
|---|---|---|---|
| 4921526 | Lee et al. | May 1990 |
| Number | Date | Country |
|---|---|---|
| 137963 | Apr 1985 | EPX |
| 264737 | Apr 1988 | EPX |
| 3902818 | Aug 1989 | DEX |
| Entry |
|---|
| March, Advanced Organic Chemistry, 3rd Edition 1985, p. 414. |