4,4-Dimethyl-2-neopentyl-1-pentene

Metformin hydrochloride, 1000µg base/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 1115-70-4

Heptachlor endo-epoxide, 100 µg/ml, Methanol, 1m

EPA Method 507Mix #7