Number | Date | Country | Kind |
---|---|---|---|
730/85 | Feb 1985 | CHX |
Number | Name | Date | Kind |
---|---|---|---|
4108887 | Fleck et al. | Aug 1978 | |
4196229 | Fleck et al. | Apr 1980 | |
4440694 | Bellus et al. | Apr 1984 |
Number | Date | Country |
---|---|---|
189259 | Aug 1986 | JPX |
Entry |
---|
Gilman et al., "Organic Chemistry," vol. I, Second Edition, pp. 874-875. |