Number | Date | Country | Kind |
---|---|---|---|
364/89 | Feb 1989 | CHX |
Number | Name | Date | Kind |
---|---|---|---|
3996292 | Decor | Dec 1976 | |
4008279 | Blay | Feb 1977 | |
4190606 | Blay | Feb 1980 | |
4613702 | Leconte | Sep 1986 |
Entry |
---|
Houben-Weyl, vol. 4/1C, p. 373 (1980). |
Helv. Chim. Acta, vol. 27, p. 185 (1958). |