Nicotinamide, 250mg

2,2',3,4',5,6,6'-Heptachloro[13C12]biphenyl, 1.2ml x 50ug/ml, nonane

Hydroxy Atrazine-d5, 1mg

Bis(2-ethylhexyl) adipate-d8, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 1214718-98-5