Acetochlor OA, 100 µg/ml, Acetonitrile, 1ml

N-methylperfluoro-1-butanesulfonamide, 1.2ml x 50ug/ml, methanol

Naphthalene-1,2,3,4,9,10-13C6,100 µg/mL,n-nonane,1mL,

4-Bromophenyl phenyl ether