Number | Date | Country | Kind |
---|---|---|---|
9212707 | Jun 1992 | GBX | |
9226292 | Dec 1992 | GBX |
Number | Name | Date | Kind |
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4631150 | Battistini et al. | Dec 1986 | |
4782145 | Brighty | Nov 1988 | |
4952577 | Alpegiani et al. | Aug 1990 | |
4962196 | Hungerbuhler et al. | Oct 1990 |
Number | Date | Country |
---|---|---|
0295100 | Dec 1988 | EPX |
WO9114691 | Oct 1991 | WOX |
Entry |
---|
Tetrahedron Letters, vol. 35, No. 20, pp. 3379-3382, 1994. |