Theophylline, 100µg/ml in MeOH, 5ml

Digoxin,neat,neat,100mg,

Tris(4-tert-butylphenyl) phosphate, 1.2ml x 50ug/ml, toluene

Ibuprofen, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 15687-27-1