N-nicotinoylhalogenobenzoguanamines are known in the art to exhibit strong anti-inflammatory action (see Japanese patent application No. 56-87124). It has now been discovered that triazine derivatives of the formula (I): ##STR2## and pharmaceutically acceptable salts thereof wherein R.sup.1 and
This is a continuation in-part of PCT/JP90/00905, filed Jul. 12, 1990.
FIELD OF THE INVENTION
The present invention relates to a novel styryl compound, a pharmaceutically acceptable salt thereof or an ester thereof which possesses leukotriene-antagonistic actions and inhibitory actions against
BACKGROUND OF THE INVENTION
It is an object of this invention to provide novel 6-phenyl-2,3-bis(4-methoxyphenyl)pyridine derivatives. These compounds are active as prostaglandin synthetase inhibitors, analgesic agents, anti-inflammatory agents, anti-arthritic agents, antipyretic agents, and
BACKGROUND OF THE INVENTION
It is an object of this invention to provide novel 4'-substituted-4,4"-dimethoxy-1,1':2',1"-terphenyl derivatives. These compounds are active as prostaglandin synthetase inhibitors, analgesic agents, anti-inflammatory agents, anti-arthritic agents, antipyretic agents, and
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