Codeine Phosphate
Formula: C18H21NO3 Bioavailability: Oral: ~90% Other names: 3-Methylmorphine,Codeine,anhydrous,Codicept Onset of action: 15–30 minutes Elimination half-life: 2.5–3 hours Duration of action: 4–6 hours Addiction liability: High
Tramadol 200mg
Formula: C16H25NO2 Onset of action: Less than 1 hour (by mouth) Molecular Weight: 263.37 g/mol Duration of action: 6 hours Other names: Ultram, Conzip, Rybix ODT, and Ultram ER. Drug class: Opiate analgesic Melting point: 180 to 181 °C (356 to 358 °F) Excretion: Urine (95%)