Novel spirobenzofuranone compounds of the formula: ##STR1## have gastric secretion inhibitive, antiinflammatory and analgesic activities, and are of value as drugs.
Novel 7-acetylspirobenzofuranone compound of the formula: ##STR1## has gastric secretion inhibitive, antiinflammatory and analgesic activities, and is of value as drugs.
A novel 7-acetylspirobenzofuranone compound of the formula:
has gastric secretion inhibitive, antiiflammatory and analgesic activities, and is of value as a drug.