1-Butylamine, 250mg

2,2',3,4',5,5'-Hexachloro-4-methoxybiphenyl, 1.2ml x 50ug/ml, nonane

L-Ascorbic Acid-13C6, 1mg

Zaleplon-?d5 (N-?ethyl-?d5),100 µg/mL,MeOH,1mL