4-SUBSTITUTED DIHYDROPYRIDO[4,3-D]PYRIMIDINES AS ANALGESICS AND TROPICAL ANTIINFLAMMATORY AGENTS FOR THE TREATMENT OF SKIN DISORDERS

摘要

4-Substituted Dihydropyrido[4,3-d]pyrimidines as Analgesics and Topical Antiinflammatoxy Agents for the Treatment of Skin Disorders There are described compounds of the formula (see formula I) where R1 is hydrogen, loweralkyl, arylloweralkyl or aryl; R2 when present is hydrogen, loweralkyl, arylloweralkyl; and R3 is hydrogen, loweralkyl, cycloalkyl or aryl; which compounds are useful as analgesics and topical antiinflammatory agents for the treatment of skin disorders.