Number | Date | Country | Kind |
---|---|---|---|
57-189883 | Oct 1982 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
3947519 | Matsui et al. | Mar 1976 | |
4132726 | Kurozumi et al. | Jan 1979 | |
4398043 | Saito et al. | Aug 1983 |
Entry |
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Scettri et al., Tetrahedron, vol. 35, pp. 135-138, (1979). |
Piancatelli et al., Tetrahedron Letters, #37, pp. 3555-3558, (1976). |