10083-53-1 4-(3'-Methylaminopropylidene)-9,10-dihydro-4H-benzo(4,5)cyclohepta(1,2-b)thiophen 4H-Benzo(4,5)cyclohepta(1,2-b)thiophene, 9,10-dihydro-4-(3-methylaminopropylidene)- BRN 1347799 IBD 78