Nicotinic acid, 250mg

3,3'-Dichloro[13C12]biphenyl, 1.2ml x 50ug/ml, nonane

4-Methyltridecane, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 26730-12-1

2,2',3',4,4',5-Hexachloro-3-methoxybiphenyl, 1.2ml x 50ug/ml, nonane