Number | Name | Date | Kind |
---|---|---|---|
3551451 | Szmuszkovicz | Dec 1970 |
Number | Date | Country |
---|---|---|
501482 | Apr 1954 | CAX |
3071066 | Jun 1978 | JPX |
Entry |
---|
Patrick, R. A. & Johnson, R. E., Annual Reports in Medicinal Chemistry, vol. 15, Academic Press, New York, NY, 1980; Chapter 20, pp. 193-201. |
Freter, K., J. Org. Chem., vol. 40, 2525-2529 (1975). |