| Number | Date | Country | Kind |
|---|---|---|---|
| 63-166386 | Jul 1988 | JPX |
| Number | Name | Date | Kind |
|---|---|---|---|
| 4737518 | Nomura et al. | Apr 1988 |
| Number | Date | Country |
|---|---|---|
| 0147768 | Dec 1984 | EPX |
| 0157609 | Mar 1985 | EPX |
| 0208932 | Jun 1986 | EPX |
| 0158172 | Aug 1985 | JPX |
| 0243047 | Dec 1985 | JPX |
| 1293954 | Dec 1986 | JPX |
| Entry |
|---|
| Barner et al., Chem. Abst. 104-88939n (1986). |
| Nomura et al., Chem. Abst. 104-88143y (1986). |