2,4'-DDT-13C12,100 µg/mL,n-nonane,1mL,

Sildenafil citrate,1000 µg base/mL,MeOH,1mL

2-Butyldecahydronaphthalene-1-carboxylic acid, Please inquire, Solvent-, Unit , # of units-, Cas.no. 663622-00-2

1-n-Propylpyrene, 1000µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 42211-33-6