Isovaleric Acid-d9, 50mg

(24R)-24-Methylcholesta-3,5-diene and (24R)-Ethylcholesta-3,5-diene, 200µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 102491-95-2 / 4970-37-0

Naltrexone (base, anhydrous), 1000µg base/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 16590-41-3

2,3,3',4',5,5'-Hexachloro[13C12]biphenyl, 1.2ml x 50ug/ml, nonane