Number | Date | Country | Kind |
---|---|---|---|
39160496 | May 1989 | DEX |
Number | Name | Date | Kind |
---|---|---|---|
4761173 | Dean | Aug 1988 | |
4859231 | Westermann et al. | Aug 1989 | |
4881969 | Saupe et al. | Nov 1989 | |
4908056 | Tseng | Mar 1990 |
Number | Date | Country |
---|---|---|
0150974 | Jun 1985 | EPX |
Entry |
---|
Rapoport et al., J. Org. Chem. (1977) 42(18) 3065-70. |