Number | Date | Country | Kind |
---|---|---|---|
3332017 | Sep 1983 | DEX |
Number | Name | Date | Kind |
---|---|---|---|
4023958 | Rohe et al. | May 1977 | |
4191711 | Lenthe et al. | Mar 1980 | |
4207180 | Chang | Jun 1980 | |
4691066 | Inoue et al. | Sep 1987 |
Number | Date | Country |
---|---|---|
2520815 | Nov 1976 | DEX |
2632565 | Feb 1978 | DEX |
771416 | Jul 1954 | GBX |
Entry |
---|
Houben-Weyl "Methoden der Organischen Chemie" vol. 5/3 p. 652. |