Caffeine,100 µg/mL,MeOH,1mL,

2-Methyl-1-hexene

Benz[a]anthracene-d12, 1000µg/mL, Solvent-toluene, Unit 1mL, # of units-10, Cas.no. 1718-53-2

(+/-)-Atenolol-d7 (isopropyl-d7), 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 29122-68-7