4-O-Desmethyl 4-O-Ethyl Trimethoprim, 25mg

5-Ethyltetraline, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 42775-75-7

1,2,3,5,6,7-Hexachloro(13C10)naphthalene, 1.2mL x 50ug/mL, nonane

Propyl Gallate, 1g