2,3-Dichloro[13C12]dibenzofuran, 1.2ml x 50ug/ml, toluene

Ethephon,neat,neat,250mg,

Metalaxyl

2,2',3,4,5,5'-Hexachlorobiphenyl-3',4',6'-d3,100 µg/mL,isooctane,1mL