Biological Sciences and Healthcare, part 3

Substance > Drug or medicament (substance) > Respiratory system agent (substance) > Methyl xanthine > Dyphylline

... > Substance > Substance categorised structurally > Chemical > Chemical categorised structurally > Organic chemical > Organic nitrogen compound > Purine and derivatives > Xanthine and xanthine derivative (substance) > Xanthine derivative (substance) > Methyl xanthine > Dyphylline

... > Substance > Substance categorised structurally > Chemical > Chemical categorised structurally > Nitrogen and nitrogen compound (substance) > Nitrogen compound > Organic nitrogen compound > Purine and derivatives > Xanthine and xanthine derivative (substance) > Xanthine derivative (substance) > Methyl xanthine > Dyphylline

... > Substance > Substance categorised structurally > Chemical > Chemical categorised structurally > Organic chemical > Organic cyclic compound > Heterocyclic compound > Purine and derivatives > Xanthine and xanthine derivative (substance) > Xanthine derivative (substance) > Methyl xanthine > Dyphylline

... > Substance > Substance categorised structurally > Chemical > Chemical categorised structurally > Organic chemical > Organic cyclic compound > Heterocyclic compound > Alkaloid (substance) > Xanthine and xanthine derivative (substance) > Xanthine derivative (substance) > Methyl xanthine > Dyphylline

... > Substance > Drug or medicament (substance) > Respiratory system agent (substance) > Cough/decongestant agent (substance) > Expectorant agent (substance) > Dyphylline