Cotriptyline (SD-2203-01) is a

tricyclic antidepressant Tricyclic antidepressants (TCAs) are a class of medications that are used primarily as antidepressants. TCAs were discovered in the early 1950s and were marketed later in the decade. They are named after their chemical structure, which contains ...

(TCA) which was never marketed.

References

{{Tricyclics Dimethylamino compounds Tricyclic antidepressants