| Number | Date | Country | Kind |
|---|---|---|---|
| 6-007733 | Jan 1994 | JPX |
| Number | Name | Date | Kind |
|---|---|---|---|
| 5153176 | Abe et al. | Oct 1992 | |
| 5380713 | Balasubramanian | Jan 1995 |
| Number | Date | Country |
|---|---|---|
| 526877 | Feb 1993 | EPX |
| 0601459A2 | Jun 1994 | EPX |
| WO9315756 | Aug 1993 | WOX |
| Entry |
|---|
| Chemical Abstracts, vol. 104, No. 7, Abstract No. 47665b (Feb. 17, 1986). |
| Chemical Abstract Service (CAS) Registry Handbook, 1986 Suppl. (STN DATABASE) RN99742-41-3. |
| Chemical Abstracts, vol. 103, No. 3, Abstract No. 18900y (Jul. 22, 1985). |
| Chemical Abstracts, vol. 92, No. 3, Abstract No. 17850z, (Jan. 21, 1980). |