| Number | Date | Country | Kind |
|---|---|---|---|
| 5-162572 | Jun 1993 | JPX |
| Number | Name | Date | Kind |
|---|---|---|---|
| 4623662 | De Vries | Nov 1986 | |
| 4716175 | Hoefle et al. | Dec 1987 | |
| 5015644 | Roth et al. | May 1991 | |
| 5258405 | Ito et al. | Nov 1993 |
| Number | Date | Country |
|---|---|---|
| 0335375 | Oct 1989 | EPX |
| 0384320 | Aug 1990 | EPX |
| 0497201 | Aug 1992 | EPX |
| 90-15048 | Dec 1990 | WOX |
| WO9203413 | Mar 1992 | WOX |
| WO9306096 | Apr 1993 | WOX |
| Entry |
|---|
| Bridge, Chemical Abstracts, vol. 115, #71152e (1991). |
| Kimura et al, Chemical Abstracts, vol. 117, #47920z (1992). |
| Kumazawa, et al, Chemical Abstracts, vol. 117, #233877z (1992). |
| Lythgoe, Chemical Abstracts, vol. 117, #69592w (1992). |
| Sekiya et al, Chemical Abstracts, vol. 116, #6541n (1992). |
| Yoshida et al, Chemical Abstracts, vol. 119, #180658c (1993). |