Number | Name | Date | Kind |
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3836350 | Fawzi et al. | Sep 1974 | |
3990879 | Soper | Nov 1976 |
Entry |
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Yakugaku Zasshi 91(2), 159-65 (1971); CA 74:141216q; F. Fujikawa et al., "Studies on Chemotherapeutic Agents. . . ". |
Derwent 87-11640/17; "New 2-ureido-1,2,4-thiadiazole derivs-useful as pharmaceutical intermediates. . . " Oct. 15, 1985. |