N-Nitroso-L-proline

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

12-Methylbenz[a]anthracene,neat,neat,10mg,

1,1-Dichloro-2,2-bis(4-Chlorophenyl-d4)ethane, 100µg/mL in IO, 1ml