2,4-DB-methyl ester, 100 µg/ml, Ethyl acetate, 5

(±)-Nicotine-d7 (N-methyl-d3; pyridine-d4),1000 µg/mL,acetonitrile,1mL,

n-Nonadecane, ?13C: -34.60, 150ug/ml, Solvent-cyclohexane, Unit 1mL, # of units-10, Cas.no. 629-92-5

2,2',3,3',5-Pentachlorobiphenyl (83)