Number | Name | Date | Kind |
---|---|---|---|
3917599 | Saxena et al. | Nov 1975 | |
4266060 | Bisagni et al. | May 1981 | |
4771052 | Schonafinger et al. | Sep 1988 |
Entry |
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Helissey et al., "Heterocyclic quinones . . . ", Fac. Sci Pharm. Biol., Univ. Rene Descartes, Chem. Pharm. Bull. 37(9) 2413-16 1989. |
Schonafinger, et al., "Synthesis . . . ", J. Heterocyclic Chem. 25 (2), 535-7, 1988. |