Number | Date | Country | Kind |
---|---|---|---|
1705/74 | Feb 1974 | CH |
Number | Name | Date | Kind |
---|---|---|---|
1929252 | Morris | Oct 1933 | |
2562065 | Sawyer et al. | Jul 1951 | |
2801154 | Pree et al. | Jul 1957 | |
3232797 | Bessen | Jan 1966 | |
3399980 | Bourdeau | Sep 1968 | |
3637320 | Wakefield | Jan 1972 | |
3682759 | Beutler et al. | Aug 1972 | |
3771976 | Wakefield | Nov 1973 | |
3783007 | Bloom et al. | Jan 1974 |
Number | Date | Country |
---|---|---|
999,643 | Oct 1951 | FR |
1,208,134 | Sep 1959 | FR |
2,180,463 | Nov 1973 | FR |
1,251,054 | Oct 1971 | UK |
Entry |
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Caillet, M.; C.R. Acad. Sc., 270, Paris June 1970. |
Karrer, P; Organic Chemistry, New York, 1938, pp. 210-212, 748-749 and 762-764. |