10-(1-MEthylpiperidin-4-ylidene)-5,10-dihydro-4h-benzo[5,6]cyclohepta[1,2-b]thiophen-4-one fumarate 1g

10-(1-MEthylpiperidin-4-ylidene)-5,10-dihydro-4h-benzo[5,6]cyclohepta[1,2-b]thiophen-4-one fumarate 1g