Loratadine
Loratadine (also known as Claritin) is a drug used to treat hay fever, urticaria and skin allergies. It is closely related to tryciclic antidepressants. It is distantly related to quetiapine.
Loratadine was discovered in 1981. It was first sold in 1993.
References
Drugs
Organonitrogen compounds
Organochlorides