4-Nitroaniline,100 µg/mL,acetonitrile,1mL,

N-Methyl-N-(trimethylsilyl)trifluoroacetamide, neat, Solvent-neat, Unit 25g, # of units-1, Cas.no. 24589-78-4

Hydromorphone

2,5-Dimethylpyrazine, Research grade, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-, Cas.no. 123-32-0