3,4,4'-Trichloro[13C12]diphenyl ether, 1.2ml x 50ug/ml, nonane

Cimetidine (free base), neat, Solvent-neat, Unit 250mg, # of units-1, Cas.no. 51481-61-9

Nitrate (NO3-) as N

Guanylurea, 1000µg/ml in Water, 1ml