trans-Aconitic acid

2,8-Dichlorodibenzofuran,50 µg/mL,n-nonane,1mL,

2,3,3',4,4'-Pentachlorobiphenyl, neat, Solvent-neat, Unit 5mg, # of units-1, Cas.no. 32598-14-4

Dehydroabietic Acid, 96%, 100mg