Number | Date | Country | Kind |
---|---|---|---|
7776 | May 1972 | HU |
Number | Name | Date | Kind |
---|---|---|---|
3479333 | Greven | Nov 1969 |
Entry |
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Shibnev et al., Chem. Abstr. 68, 13374d, (1968). |
Kisfaludy et al., J. Org. Chem., 35, 3563-3565, (1970). |
Kovacs et al., J. Am. Chem. Soc., 89, 183-184, (1967). |
Kisfaludy et al., Chem. Abstr. 68, 87559q, (1968). |
E. Schroder and K. Lubke, "The Peptides," Vol. II, Academic Press, New York, (1966), pp. 214-215. |