Number | Date | Country | Kind |
---|---|---|---|
63-84671 | Apr 1988 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
4744918 | Heppke et al. | May 1988 | |
4764619 | Gunjima et al. | Aug 1988 |
Number | Date | Country |
---|---|---|
217240 | Apr 1987 | EPX |
3534777 | Apr 1987 | DEX |
3606312 | Sep 1987 | DEX |
60-38346 | Feb 1985 | JPX |
61-174294 | Aug 1986 | JPX |
8705012 | Aug 1987 | WOX |
Entry |
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Takeshita, M. et al., Heterocycles, vol. 26, No. 12, pp. 3051-3054 (1987). |