All
 D03 Heterocyclic Compounds D006571 +
 D03.383 Heterocyclic Compounds, 1-Ring D006573 +
 D03.383.533 Oxazines D010078 +
 D03.383.533.640 Morpholines D009025 +
 D03.383.533.640.250 Dextromoramide D003916 
 D03.383.533.640.362 Molsidomine D008981 
 D03.383.533.640.650 Phenmetrazine D010633 
 D03.383.533.640.900 Viloxazine D014745 
 D03.383.533.640.475 Moricizine D016293