Parathion-ethyl, 100µg/ml in Acetonitrile, 5ml

2,2',4,4'-Tetrabromo-6-methoxy[13C12]diphenyl ether, 1.2ml x 50ug/ml, nonane

Methyl 4,7,10,13,16-docosapentaenoate (all-cis), 1000µg/mL in Isooctane, 1ml

1-Methyl-2-pyrrolidinone