Number | Date | Country | Kind |
---|---|---|---|
97810680 | Sep 1997 | EPX |
Number | Name | Date | Kind |
---|---|---|---|
3324123 | Cenker | Jun 1967 | |
3371040 | Emmons | Feb 1968 | |
4528370 | Lai | Jul 1985 | |
4602106 | Blanc | Jul 1986 | |
4914232 | Lai | Apr 1990 | |
5089614 | Lai | Feb 1992 | |
5538840 | Van Toan et al. | Jul 1996 |
Number | Date | Country |
---|---|---|
0 155055 | Sep 1985 | EPX |
0248494 | Dec 1987 | EPX |
9844008 | Oct 1998 | WOX |
Entry |
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Lai Synthesis 1984, 122. |
Chem. Abstr. 73:66522k (1970). |