This is a divisional of our copending application U.S. Ser. No. 07/463,220 filed Jan. 10, 1990, now U.S. Pat. No. 5,082,933.
Number | Name | Date | Kind |
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4162305 | Nara et al. | Jul 1979 | |
4275155 | Pereira Da Luz | Jun 1981 |
Entry |
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Tomita F. et al., J. Antibiot., 33, 668,940,946 (1980). |
Waitz, J. A. et al., J. Antibiotics, 34, 1101 (1981). |
Mallams, A. K. et al., J. Am. Chem. Soc. 103,2938,3940 (1981). |
Mantwyler, R. et al., Helv. Chem. Acta, 55,2071 (1972). |
Number | Date | Country | |
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Parent | 463220 | Jan 1990 |