2-Phenyl-3,6-dimethylmorpholine
2-Phenyl-3,6-dimethylmorpholine is a drug with stimulant and anorectic effects, related to phenmetrazine. Based on what is known from other phenylmorpholines with similar structure, it likely acts as a serotonin reuptake inhibitor and may produce antidepressant-like effects.
Source: Wikipedia — 2-Phenyl-3,6-dimethylmorpholine (CC BY-SA 4.0)