Claims
- 1. A compound of the formula: ##STR20## wherein R.sub.4 is selected from the group consisting of hydrogen, halogen, straight and branched chain alkyl of from 1 to 6 carbon atoms, aryl, cycloakyl of 3 to 7 carbon atoms; and alkoxy of 1 to 6 carbon atoms; R.sub.5 and R.sub.6 may be the same or different and are selected from the group consisting of hydrogen, halogen, straight and branched chain alkyl groups of from 1 to 6 carbon atoms; aralkyl groups wherein the alkyl portion has from 1 to 6 carbon atoms, cycloalkyl of from 3 to 7 carbon atoms and aryl; R.sub.7 is hydrogen or a straight or a branched chain alkyl group of 1 to 6 carbon atoms; R.sub.8 is halogen; R.sub.9 is halogen or hydrogen with the proviso that R.sub.9 may only be hydrogen when R.sub.8 and R.sub.12 are halogen; R.sub.10 is halogen or hydrogen and R.sub.12 is halogen or hydrogen and the pharamaceutically acceptable salts thereof.
- 2. A compound as defined in claim 1, wherein R.sub.4 is hydrogen, R.sub.5 and R.sub.6 are methyl, R.sub.7 is hydrogen, R.sub.8 is chloro, R.sub.9 is chloro, R.sub.10 is chloro and R.sub.12 is hydrogen.
- 3. A compound as defined in claim 1, wherein R.sub.4 is hydrogen, R.sub.5 and R.sub.6 are methyl, R.sub.7 is hydrogen, R.sub.8 is chloro, R.sub.9 is hydrogen, R.sub.10 is chloro and R.sub.12 is chloro.
- 4. A compound as defined in claim 1, wherein R.sub.12 is chloro, R.sub.10 is hydrogen, R.sub.9 is chloro, R.sub.8 is chloro, and R.sub.4, R.sub.5, R.sub.6 and R.sub.7 are hydrogen.
- 5. a pharmaceutical composition, which comprises a compound as defined in claim 1 and a pharmaceutically acceptable diluent.
- 6. A pharmaceutical composition, which comprises a compound of claim 2 and a pharmaceutically acceptable diluent.
- 7. A pharmaceutical composition which comprises a compound of claim 3 and a pharmaceutically acceptable diluent.
- 8. A pharmaceutical composition, which comprises a compound of claim 4 and a pharmaceutically acceptable carrier.
Parent Case Info
This is a divisional application of U.S. patent application Ser. No. 07/207,098, filed June 15. 1988 now U.S. Pat. No. 4,921,997.
Foreign Referenced Citations (2)
Number |
Date |
Country |
2614045 |
Jan 1976 |
DEX |
1055619 |
Jan 1967 |
GBX |
Divisions (1)
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Number |
Date |
Country |
Parent |
207098 |
Jun 1988 |
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