Claims
- 1. A compound of the formula ##STR7## wherein R.sup.3 is phenylthio or nitrophenylthio; and R.sup.4 is hydrogen, lower alkyl, trimethylsilyl, benzyl, benzhydryl, methoxybenzyl or trichloroethyl, and pharmaceutically acceptable salts thereof.
Parent Case Info
This application is a division of Ser. No. 675,393 filed on Apr. 9, 1976 now U.S. Pat. No. 4,029,669 which in turn was a division of Ser. No. 500,435 filed on Aug. 26, 1974, now U.S. Pat. No. 3,965,093, which in turn was a division of Ser. No. 183,642 filed on Sept. 24, 1971, now U.S. Pat. No. 3,855,233.
US Referenced Citations (3)
Number |
Name |
Date |
Kind |
3965093 |
Dolfini et al. |
Jun 1976 |
|
4026886 |
Dolfini et al. |
May 1977 |
|
4029669 |
Dolfini et al. |
Jun 1977 |
|
Divisions (3)
|
Number |
Date |
Country |
Parent |
675393 |
Apr 1976 |
|
Parent |
500435 |
Aug 1974 |
|
Parent |
183642 |
Sep 1971 |
|