1 methyl 4 5 dibenzo a e cycloheptatrienylidene piperidine, 1 methyl 4 5h dibenzo a d cycloheptenylidene piperidine, 4 5 dibenzo a d cyclohepten 5 ylidine 1 methylpiperidine							
	
							
							
								
																	
																	
	
								
																	
							
							
																						
								 For treatment of perennial and seasonal allergic rhinitis, vasomotor rhinitis, allergic conjunctivitis due to inhalant allergens and foods, mild uncomplicated allergic skin ...