This application is a continuation-in-part of copending application Ser. No. 357,872, filed Mar. 15, 1982 and now U.S. Pat. No. 4,412,077 issued Oct. 25, 1983.
Number | Name | Date | Kind |
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3654291 | Witzel et al. | Apr 1972 | |
4412077 | Lesher et al. | Oct 1983 |
Entry |
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Sunthankar et al., Chemical Abstracts, vol. 80, No. 23, Abst. No. 133,202r, June 10, 1974. |
Sunthankar et al., [Indian J. of Chem. 11, 1315-16, (1973)]. |
Kato et al., [J. Heterocyclic Chem. 18, 603-606, (1981)]. |
Kato et al., [Chem. Pharm. Bull. 17, 2411-2416, (1969)]. |
Fujita, [Chem. Pharm. Bull. 23, 501-506, (1975)]. |
Krasnaya et al., [C.A. 87, 68099r, (1977)]. |
Number | Date | Country | |
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Parent | 357872 | Mar 1982 |