Number | Date | Country | Kind |
---|---|---|---|
77955 | Aug 1977 | LUX | |
78691 | Dec 1977 | LUX |
Number | Name | Date | Kind |
---|---|---|---|
3576014 | Meyrin et al. | Apr 1971 | |
3629292 | Evers | Dec 1971 | |
3629393 | Evers | Dec 1971 | |
3651097 | van den Ouweland et al. | Mar 1972 | |
3694466 | Buchi et al. | Sep 1972 | |
3887589 | Eykelboom et al. | Jun 1975 | |
4045487 | Cleeland et al. | Aug 1977 |
Number | Date | Country |
---|---|---|
2600864 | Jan 1976 | DEX |
1440270 | Jun 1976 | GBX |
Entry |
---|
Erastov et al., Khim. Geterotsikl. Soedin, vol. 7(12), 1971 pp. 1620-1625. |
Houben-Weyl, Methoden der Organischen Chemie, vol. VI/3 (1965); pp. 587 and 588. |