Ammonium Standard: NH4+, 1000µg/ml in Water, 100ml

Tadalafil, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 171596-29-5

Norcodeine hydrochloride, neat, Solvent-neat, Unit 25mg, # of units-1, Cas.no. 14648-14-7

Thiophene-d4, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 2036-39-7