Number | Name | Date | Kind |
---|---|---|---|
4070468 | Hardtmann et al. | Jan 1978 | |
4107310 | Allais et al. | Aug 1978 | |
4123536 | Connor et al. | Oct 1978 |
Number | Date | Country |
---|---|---|
828690 | Mar 1975 | BEX |
1121411 | Jul 1968 | GBX |
Entry |
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Coutts et al., "J. Chem. Soc." (1962), pp. 2518-2521. |