Phorate-oxon-sulfoxide, 100 µg/ml, Cyclohexane,

1,3,6,8-Tetrachloro[13C12]dibenzo-p-dioxin, 1.2ml x 50ug/ml, toluene

2-Phenylnaphthalene, 1000µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 612-94-2

Sildenafil-d8 (piperazine-d8),100 µg/mL,MeOH,1mL