Ketotifen fumarate Synonym: 10h-benzo(4,5)cyclohepta(1,2-b) ... 4,5]cyclohepta[1,2-b]thiophen-10(9h)-one hydrogen fumarate;4,9-DIHYDRO-4-(1-METHYL-4-PIPERIDINYLIDENE-10H-BENZO ... 4,5]CYCLOHEPTA[1,2-B]THIOPHEN-10-ONE) FUMARATE;KETOTIFEN FUMARATE;KETOTIFEN FUMARATE SALT;4,9-dihydro-4-(1-methylpiperidin-4-ylidene ... -benzo[4,5]cyclohepta[1,2-b]thiophene-10-one fumarate CAS: 34580-14-8 MF: C23H23NO5S MW: 425.5 ...