Naphthalene-d8, 100 µg/mL,toluene, 1mL

Pyrenyl-1-O-glucuronide, 50µg/mL, Solvent-methanol, Unit 50µg, # of units-1, Cas.no. 15417-05-2

Leucine Enkephalin acetate salt, 25mg

Tris(2-ethylhexyl) phosphate, 100µg/ml, MeOH, 5ml