Claims
- 1. The compounds having the structural formula: ##STR28## wherein R.sub.4 is hydrogen, halogen, loweralkyl having 1 to 6 carbon atoms or ##STR29## or a pharmaceutically acceptable salt thereof.
- 2. A pharmaceutical composition composition for the treatment or prevention of calcium oxalate kidney or bladder stones comprising an effective amount of a compound of claim 1 or a pharmaceutically acceptable salt thereof and a pharmaceutically acceptable carrier.
- 3. A method of treating or preventing the formation of calcium oxalate kidney or bladder stones which comprises administering to a patient with or prone to renal lithiasis an effective amount of a compound having the structural formula: ##STR30## wherein R.sub.4 is hydrogen, halogen, loweralkyl having 1 to 6 carbon atoms or ##STR31## or a pharmaceutically acceptable salt thereof.
Parent Case Info
This is a division of application Ser. No. 091,293 filed Nov. 5, 1979, now U.S. Pat. No. 4,349,561, issued Sept. 14, 1982.
Divisions (1)
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Number |
Date |
Country |
Parent |
91293 |
Nov 1979 |
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