(+/-)-Clenbuterol-d9 (trimethyl-d9),100 µg/mL,MeOH,1mL,

Pholcodine, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 509-67-1

Isovaleric acid, 1000mg

EPA Method 526 Phenols Standard