Trimethylsulfonium iodide, 250mg

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

Methylphenols - Mix 13, 50µg/ml in Acetone, 5ml

Piperonyl butoxide, 1000µg/ml in MeOH, 1ml