Number | Name | Date | Kind |
---|---|---|---|
3553234 | Johnson et al. | Jan 1971 | |
3836543 | Grisar | Sep 1974 | |
3931173 | Parker et al. | Jan 1976 |
Entry |
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J. M. Grisar et al., J. Medicinal Chemistry, 15, 1273-1278, 1972. |
H. Linser, Chemical Abstracts, 53, 20313f, 1959. |
J. L. Fults et al., Chemical Abstracts, 42, 1013f&g, 1948. |