Urocanic acid derivatives useful as antiallergic agents represented by the following formula (I) or a pharmacologically acceptable salt thereof:
wherein R2 denotes hydrogen or lower alkyl, R3 denotes nitro, amino, cyano or COOR2, wherein R2 in said COOR2 is as defined above, and Q denotes carbon or nitrogen.
Urocanic acid derivatives useful as antiallergic agents represented by the following formula (I) or a pharmacologically acceptable salt thereof:
wherein R2 denotes hydrogen or lower alkyl, R3 denotes nitro, amino, cyano or COOR2,
wherein R2 in said COOR2 is as defined above, and Q denotes carbon or nitrogen.