Number | Date | Country | Kind |
---|---|---|---|
3151534 | Dec 1981 | DEX |
Number | Name | Date | Kind |
---|---|---|---|
3239562 | Barker | Mar 1966 | |
3816137 | Gabrielsen et al. | Jun 1974 | |
4371603 | Bartels-Keith et al. | Feb 1983 |
Entry |
---|
Obata et al., C.A. 77, (1972), 3944m. |
Obata et al., C.A. 93, (1980), 166 211q. |
Cocker et al., J. Chem. Soc., (1950), 2052-2058. |