Nitrite (NO2-) as N

Lincomycin Hydrochloride,100 µg/mL,MeOH,1mL,

1,2,3,6,7,8-Hexachloro[13C12]dibenzo-p-dioxin, 1.2ml x 50ug/ml, toluene

2,3,3’,4,4’,5’-Hexachlorobiphenyl (157)