Claims
- 1. A compound of the formula ##STR10## wherein R.sub.1 is straight chain lower alkyl or ##STR11## where R.sub.4 is hydrogen or halo having an atomic weight of about 19 to 36, and
- R.sub.2 is straight chain lower alkyl, and
- R.sub.3 is hydrogen or halo as defined above,
- or a pharmaceutically acceptable salt thereof.
Parent Case Info
This is a division of application Ser. No. 819,006 filed July 26, 1977, now U.S. Pat. No. 4,131,679 granted Dec. 26, 1978.
US Referenced Citations (7)
Divisions (1)
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Number |
Date |
Country |
Parent |
819006 |
Jul 1977 |
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