Spironolactone,1000 µg/mL,MeOH,1mL,

Sulfur, 50µg/g (0.0050 wt%) in Diesel Fuel, 100ml

Mono(2-ethyl-5-oxohexyl) phthalate

2,2'-Dimethylbiphenyl, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 605-39-0