4-(1-methylpiperidin-4-ylidene)-4H-benzo[4,5]cyclohepta[1,2-b]thiophen-10(9H)-one;Ketotifene;Ketotifeno;Ketotifenum;Zaditor;10H-Benzo(4,5)cyclohepta(1,2-b)thiophen-10-one, 4,9-dihydro-4-(1-methyl-4-piperidinylidene)-;4-(1-Methyl-4-piperidylidene)-9-hydrobenzo[a]thiopheno[3,2-d][7]annulen-10-one;10-(1-methylpiperidin-4-ylidene)-5H-benzo[1,2]cyclohepta[3,4-b]thiophen-4-one;4,9-dihydro-4-(1-methyl-4-piperidinylidene)-10h-benzo[4,5]cyclohepta[1,2-b]thiophen-10-one
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