Complex sentence: Naranol (W-5494A) is an antidepressant, anxiolytic, and antipsychotic with a tricyclic-like chemical structure which was synthesized in the late 1960s, but was never marketed.
Split into simpler sentences: Naranol (W-5494A) is a drug with a tricyclic-like structure. It was synthesized in the late 1960s, and was reported to have antidepressant, anxiolytic, and antipsychotic properties, but was never marketed.