CAS No.    15574-96-6

Chemical name:       4-(9,10-dihydro-4H-benzo[4,5]cyclohepta[1,2-b]thiophen-4-ylidene)-1-methylpiperidine

Molecular formula:     C₁₉H₂₁NS

Structure formula:

Standard:        CP.

Application:     Used for treatment of migraine.