Number | Date | Country | Kind |
---|---|---|---|
3302498 | Jan 1983 | DEX |
Number | Name | Date | Kind |
---|---|---|---|
2450276 | Fogler et al. | Sep 1948 | |
3441578 | Dimroth | Apr 1969 | |
3632618 | Pancheco et al. | Jan 1972 | |
3687991 | Gaeng | Aug 1972 |
Entry |
---|
Calderazzo, J. Chem. Soc. (A) p. 1378 (19690. |