Bromophos methyl

Phosphate (PO4-3) as P

N-(4-chloro[13C6]phenyl)-N'-(3,4-dichloro[13C6]phenyl)[13C]urea , 1.2ml x 50ug/ml, methanol

Mass-Labelled PCDD Internal Standard Solution, 1.2ml x 200ng/ml , nonane