Ammonia as (NH4+)

2,2',3,3',4',5,6-Heptachlorobiphenyl, neat, Solvent-neat, Unit 5mg, # of units-1, Cas.no. 52663-70-4

2-Methylbutyraldehyde, 250mg

1,2,3,6-Tetrahydrophthalic anhydride, 250mg